diff --git a/demo/css/center.css b/demo/css/center.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/demo/css/face.css b/demo/css/face.css
deleted file mode 100644
index 09ada2c77..000000000
--- a/demo/css/face.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.demo-face .face-config .config-label {
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diff --git a/demo/css/index.css b/demo/css/index.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/demo/css/main.css b/demo/css/main.css
deleted file mode 100644
index 04520ffb7..000000000
--- a/demo/css/main.css
+++ /dev/null
@@ -1,84 +0,0 @@
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diff --git a/demo/css/north.css b/demo/css/north.css
deleted file mode 100644
index 613cc6c30..000000000
--- a/demo/css/north.css
+++ /dev/null
@@ -1,10 +0,0 @@
-.demo-north {
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diff --git a/demo/css/preview.css b/demo/css/preview.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/demo/css/vm.css b/demo/css/vm.css
deleted file mode 100644
index 4d273fb21..000000000
--- a/demo/css/vm.css
+++ /dev/null
@@ -1,102 +0,0 @@
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diff --git a/demo/css/west.css b/demo/css/west.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/public/css/app.css b/public/css/app.css
deleted file mode 100644
index c2d57c29c..000000000
--- a/public/css/app.css
+++ /dev/null
@@ -1,24 +0,0 @@
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diff --git a/public/css/background.css b/public/css/background.css
deleted file mode 100644
index 26861a1fb..000000000
--- a/public/css/background.css
+++ /dev/null
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diff --git a/public/css/font.css b/public/css/font.css
deleted file mode 100644
index c3f4420e4..000000000
--- a/public/css/font.css
+++ /dev/null
@@ -1,902 +0,0 @@
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diff --git a/public/css/icon.css b/public/css/icon.css
deleted file mode 100644
index b37123133..000000000
--- a/public/css/icon.css
+++ /dev/null
@@ -1,366 +0,0 @@
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diff --git a/public/css/size.css b/public/css/size.css
deleted file mode 100644
index b03b292c2..000000000
--- a/public/css/size.css
+++ /dev/null
@@ -1,18 +0,0 @@
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diff --git a/public/css/var.css b/public/css/var.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/base/calendar/calendar.css b/src/css/base/calendar/calendar.css
deleted file mode 100644
index ada2746c3..000000000
--- a/src/css/base/calendar/calendar.css
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diff --git a/src/css/base/colorchooser/colorchooser.css b/src/css/base/colorchooser/colorchooser.css
deleted file mode 100644
index ffcfb579e..000000000
--- a/src/css/base/colorchooser/colorchooser.css
+++ /dev/null
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diff --git a/src/css/base/colorchooser/colorpicker/button.css b/src/css/base/colorchooser/colorpicker/button.css
deleted file mode 100644
index 3a743d49d..000000000
--- a/src/css/base/colorchooser/colorpicker/button.css
+++ /dev/null
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diff --git a/src/css/base/colorchooser/colorpicker/editor.css b/src/css/base/colorchooser/colorpicker/editor.css
deleted file mode 100644
index 5d3a17106..000000000
--- a/src/css/base/colorchooser/colorpicker/editor.css
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diff --git a/src/css/base/colorchooser/farbtastic/farbtastic.css b/src/css/base/colorchooser/farbtastic/farbtastic.css
deleted file mode 100644
index bb4e3f943..000000000
--- a/src/css/base/colorchooser/farbtastic/farbtastic.css
+++ /dev/null
@@ -1,6 +0,0 @@
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diff --git a/src/css/base/combo/combo.css b/src/css/base/combo/combo.css
deleted file mode 100644
index cc4592c40..000000000
--- a/src/css/base/combo/combo.css
+++ /dev/null
@@ -1,171 +0,0 @@
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-.bi-combo > .bi-trigger .bi-trigger-icon-button .x-icon {
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-.bi-text-value-check-combo.bi-combo-popup > .bi-border,
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diff --git a/src/css/base/combo/popup.css b/src/css/base/combo/popup.css
deleted file mode 100644
index 98d682b80..000000000
--- a/src/css/base/combo/popup.css
+++ /dev/null
@@ -1,4 +0,0 @@
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diff --git a/src/css/base/dom.css b/src/css/base/dom.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/base/editor/editor.css b/src/css/base/editor/editor.css
deleted file mode 100644
index 4fb14e28d..000000000
--- a/src/css/base/editor/editor.css
+++ /dev/null
@@ -1,29 +0,0 @@
-/*************BI.SearchEditor******************/
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diff --git a/src/css/base/foundation/bi.css b/src/css/base/foundation/bi.css
deleted file mode 100644
index f27535811..000000000
--- a/src/css/base/foundation/bi.css
+++ /dev/null
@@ -1,32 +0,0 @@
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diff --git a/src/css/base/layer/layer.css b/src/css/base/layer/layer.css
deleted file mode 100644
index e30f78d82..000000000
--- a/src/css/base/layer/layer.css
+++ /dev/null
@@ -1,4 +0,0 @@
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diff --git a/src/css/base/layer/panel.css b/src/css/base/layer/panel.css
deleted file mode 100644
index 5a0c74f55..000000000
--- a/src/css/base/layer/panel.css
+++ /dev/null
@@ -1,9 +0,0 @@
-.bi-panel {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
-.bi-panel .panel-title .panel-title-text {
-  cursor: text;
-  font-size: 14px;
-}
diff --git a/src/css/base/loader/sort.css b/src/css/base/loader/sort.css
deleted file mode 100644
index 6e6a63220..000000000
--- a/src/css/base/loader/sort.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bi-sortable-holder {
-  border: 1px dashed #e8eaed;
-}
diff --git a/src/css/base/pager/pager.css b/src/css/base/pager/pager.css
deleted file mode 100644
index d7dc654a2..000000000
--- a/src/css/base/pager/pager.css
+++ /dev/null
@@ -1,22 +0,0 @@
-.bi-all-count-pager .all-pager-prev {
-  font-size: 16px;
-}
-.bi-all-count-pager .all-pager-next {
-  font-size: 16px;
-}
-.bi-all-count-pager .row-count {
-  color: #3685f2;
-}
-
-.bi-direction-pager .direction-pager-prev {
-  font-size: 16px;
-}
-.bi-direction-pager .direction-pager-next {
-  font-size: 16px;
-}
-
-.bi-pager .page-item {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
diff --git a/src/css/base/pane.css b/src/css/base/pane.css
deleted file mode 100644
index 9848cdd08..000000000
--- a/src/css/base/pane.css
+++ /dev/null
@@ -1,124 +0,0 @@
-.bi-pane {
-  min-height: 25px;
-}
-.bi-pane.loading-status {
-  min-height: 55px;
-}
-.bi-pane .loading-container {
-  background-color: rgba(247, 248, 250, 0);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#00f7f8fa,endColorstr=#00f7f8fa);
-}
-.bi-loading-widget {
-  font-size: 0;
-}
-.bi-loading-widget .animate-rect {
-  background-color: rgba(54, 133, 242, 0.9);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#e63685f2,endColorstr=#e63685f2);
-  -webkit-border-radius: 1.5px;
-  -moz-border-radius: 1.5px;
-  border-radius: 1.5px;
-  -webkit-animation: loading-widget 0.8s infinite linear;
-  -moz-animation: loading-widget 0.8s infinite linear;
-  -ms-animation: loading-widget 0.8s infinite linear;
-  -o-animation: loading-widget 0.8s infinite linear;
-  animation: loading-widget 0.8s infinite linear;
-}
-.bi-loading-widget .rect2 {
-  -webkit-animation-delay: -0.2s;
-  -moz-animation-delay: -0.2s;
-  -ms-animation-delay: -0.2s;
-  -o-animation-delay: -0.2s;
-  animation-delay: -0.2s;
-}
-.bi-loading-widget .rect3 {
-  -webkit-animation-delay: -0.4s;
-  -moz-animation-delay: -0.4s;
-  -ms-animation-delay: -0.4s;
-  -o-animation-delay: -0.4s;
-  animation-delay: -0.4s;
-}
-@-webkit-keyframes loading-widget {
-  0%,
-  100% {
-    -webkit-transform: scaleY(0.3);
-    -moz-transform: scaleY(0.3);
-    -o-transform: scaleY(0.3);
-    -ms-transform: scaleY(0.3);
-    transform: scaleY(0.3);
-  }
-  50% {
-    -webkit-transform: scaleY(1);
-    -moz-transform: scaleY(1);
-    -o-transform: scaleY(1);
-    -ms-transform: scaleY(1);
-    transform: scaleY(1);
-  }
-}
-@-moz-keyframes loading-widget {
-  0%,
-  100% {
-    -webkit-transform: scaleY(0.3);
-    -moz-transform: scaleY(0.3);
-    -o-transform: scaleY(0.3);
-    -ms-transform: scaleY(0.3);
-    transform: scaleY(0.3);
-  }
-  50% {
-    -webkit-transform: scaleY(1);
-    -moz-transform: scaleY(1);
-    -o-transform: scaleY(1);
-    -ms-transform: scaleY(1);
-    transform: scaleY(1);
-  }
-}
-@-ms-keyframes loading-widget {
-  0%,
-  100% {
-    -webkit-transform: scaleY(0.3);
-    -moz-transform: scaleY(0.3);
-    -o-transform: scaleY(0.3);
-    -ms-transform: scaleY(0.3);
-    transform: scaleY(0.3);
-  }
-  50% {
-    -webkit-transform: scaleY(1);
-    -moz-transform: scaleY(1);
-    -o-transform: scaleY(1);
-    -ms-transform: scaleY(1);
-    transform: scaleY(1);
-  }
-}
-@-o-keyframes loading-widget {
-  0%,
-  100% {
-    -webkit-transform: scaleY(0.3);
-    -moz-transform: scaleY(0.3);
-    -o-transform: scaleY(0.3);
-    -ms-transform: scaleY(0.3);
-    transform: scaleY(0.3);
-  }
-  50% {
-    -webkit-transform: scaleY(1);
-    -moz-transform: scaleY(1);
-    -o-transform: scaleY(1);
-    -ms-transform: scaleY(1);
-    transform: scaleY(1);
-  }
-}
-@keyframes loading-widget {
-  0%,
-  100% {
-    -webkit-transform: scaleY(0.3);
-    -moz-transform: scaleY(0.3);
-    -o-transform: scaleY(0.3);
-    -ms-transform: scaleY(0.3);
-    transform: scaleY(0.3);
-  }
-  50% {
-    -webkit-transform: scaleY(1);
-    -moz-transform: scaleY(1);
-    -o-transform: scaleY(1);
-    -ms-transform: scaleY(1);
-    transform: scaleY(1);
-  }
-}
diff --git a/src/css/base/segment/button.css b/src/css/base/segment/button.css
deleted file mode 100644
index 579852f6c..000000000
--- a/src/css/base/segment/button.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bi-segment-button {
-  color: #3685f2;
-}
diff --git a/src/css/base/segment/segment.css b/src/css/base/segment/segment.css
deleted file mode 100644
index 48a5bc1bc..000000000
--- a/src/css/base/segment/segment.css
+++ /dev/null
@@ -1,36 +0,0 @@
-.bi-segment > .center-element {
-  overflow: hidden;
-  overflow-x: hidden;
-  overflow-y: hidden;
-  background: #ffffff;
-  border-right: 1px solid #3685f2;
-  border-top: 1px solid #3685f2;
-  border-bottom: 1px solid #3685f2;
-}
-.bi-segment > .first-element {
-  border-left: 1px solid #3685f2;
-  -webkit-border-radius: 2px 0px 0px 2px;
-  -moz-border-radius: 2px 0px 0px 2px;
-  border-radius: 2px 0px 0px 2px;
-}
-.bi-segment > .last-element {
-  -webkit-border-radius: 0px 2px 2px 0px;
-  -moz-border-radius: 0px 2px 2px 0px;
-  border-radius: 0px 2px 2px 0px;
-}
-.bi-segment.disabled > .center-element,
-.bi-segment.disabled > .first-element {
-  border-color: #d0d4da;
-}
-.bi-theme-dark .bi-segment > .center-element {
-  overflow: hidden;
-  overflow-x: hidden;
-  overflow-y: hidden;
-  background: #20263b;
-  border-right: 1px solid #363e55;
-  border-top: 1px solid #363e55;
-  border-bottom: 1px solid #363e55;
-}
-.bi-theme-dark .bi-segment > .first-element {
-  border-left: 1px solid #20263b;
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diff --git a/src/css/base/single/button/button.css b/src/css/base/single/button/button.css
deleted file mode 100644
index 5762c0bb2..000000000
--- a/src/css/base/single/button/button.css
+++ /dev/null
@@ -1,501 +0,0 @@
-.bi-half-button {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
-
-body .bi-button,
-#body .bi-button {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-  border: 1px solid #3685f2;
-  background-color: #3685f2;
-  -webkit-box-sizing: border-box;
-  /*Safari3.2+*/
-  -moz-box-sizing: border-box;
-  /*Firefox3.5+*/
-  -ms-box-sizing: border-box;
-  /*IE8*/
-  box-sizing: border-box;
-  /*W3C标准(IE9+，Safari5.1+,Chrome10.0+,Opera10.6+都符合box-sizing的w3c标准语法)*/
-  text-align: center;
-  vertical-align: middle;
-  cursor: pointer;
-}
-body .bi-button.hack,
-#body .bi-button.hack {
-  -webkit-border-radius: 0px;
-  -moz-border-radius: 0px;
-  border-radius: 0px;
-}
-body .bi-button.block,
-#body .bi-button.block {
-  font-size: inherit;
-  border-width: 0;
-  -webkit-border-radius: 0px;
-  -moz-border-radius: 0px;
-  border-radius: 0px;
-}
-body .bi-button.clear,
-#body .bi-button.clear {
-  font-size: inherit;
-  border-width: 0;
-  background-color: transparent;
-}
-body .bi-button.clear:hover,
-#body .bi-button.clear:hover {
-  opacity: 0.9;
-  filter: alpha(opacity=90);
-}
-body .bi-button.clear:active,
-#body .bi-button.clear:active {
-  opacity: 0.8;
-  filter: alpha(opacity=80);
-}
-body .bi-button.clear:after,
-#body .bi-button.clear:after {
-  display: none;
-}
-body .bi-button.ghost,
-#body .bi-button.ghost {
-  font-size: inherit;
-  background-color: transparent;
-}
-body .bi-button.button-common,
-#body .bi-button.button-common,
-body .bi-button.button-common .b-font:before,
-#body .bi-button.button-common .b-font:before {
-  color: #ffffff;
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-body .bi-button.button-common.clear,
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-body .bi-button.button-common.clear .b-font:before,
-#body .bi-button.button-common.clear .b-font:before {
-  color: #3685f2;
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-body .bi-button.button-common.ghost,
-#body .bi-button.button-common.ghost,
-body .bi-button.button-common.ghost .b-font:before,
-#body .bi-button.button-common.ghost .b-font:before {
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-body .bi-button.button-common.ghost:hover,
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-  background-color: #3685f2;
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-body .bi-button.button-common.ghost:active,
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-body .bi-button.button-success,
-#body .bi-button.button-success {
-  background-color: #13cd66;
-  border-color: #13cd66;
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-body .bi-button.button-success,
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-#body .bi-button.button-success .b-font:before {
-  color: #ffffff;
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-body .bi-button.button-success.clear,
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-  background-color: transparent;
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-body .bi-button.button-success.clear,
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-body .bi-button.button-warning,
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-.bi-theme-dark #body .bi-button.button-ignore.disabled,
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-.bi-theme-dark #body .bi-button.button-success.disabled.base-disabled,
-.bi-theme-dark body .bi-button.button-error.disabled.base-disabled,
-.bi-theme-dark #body .bi-button.button-error.disabled.base-disabled,
-.bi-theme-dark body .bi-button.button-warning.disabled.base-disabled,
-.bi-theme-dark #body .bi-button.button-warning.disabled.base-disabled,
-.bi-theme-dark body .bi-button.button-ignore.disabled.base-disabled,
-.bi-theme-dark #body .bi-button.button-ignore.disabled.base-disabled {
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diff --git a/src/css/base/single/button/item.css b/src/css/base/single/button/item.css
deleted file mode 100644
index 7856be761..000000000
--- a/src/css/base/single/button/item.css
+++ /dev/null
@@ -1,4 +0,0 @@
-.bi-single-select-icon-text-item:active .b-font:before,
-.bi-single-select-icon-text-item.active .b-font:before {
-  color: #3685f2;
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diff --git a/src/css/base/single/button/switch.css b/src/css/base/single/button/switch.css
deleted file mode 100644
index bab1bb096..000000000
--- a/src/css/base/single/button/switch.css
+++ /dev/null
@@ -1,34 +0,0 @@
-.bi-switch {
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-  -moz-border-radius: 40px 40px 40px 40px;
-  border-radius: 40px 40px 40px 40px;
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-}
-.bi-switch:active,
-.bi-switch.active {
-  background-color: #3685f2;
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-.bi-switch .circle-button {
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-  -moz-border-radius: 9px 9px 9px 9px;
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-}
-.bi-switch.disabled {
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-.bi-switch.disabled:active {
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-.bi-theme-dark .bi-switch {
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-.bi-theme-dark .bi-switch:active,
-.bi-theme-dark .bi-switch.active {
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-  background-color: #292f45;
-}
-.bi-theme-dark .bi-switch.disabled:active {
-  background-color: #292f45;
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diff --git a/src/css/base/single/editor/editor.css b/src/css/base/single/editor/editor.css
deleted file mode 100644
index aba2d63bb..000000000
--- a/src/css/base/single/editor/editor.css
+++ /dev/null
@@ -1,22 +0,0 @@
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-
-.bi-textarea-editor {
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-  font-size: 12px;
-  line-height: 21px;
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diff --git a/src/css/base/single/html.css b/src/css/base/single/html.css
deleted file mode 100644
index 2120acf32..000000000
--- a/src/css/base/single/html.css
+++ /dev/null
@@ -1,235 +0,0 @@
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-.bi-html canvas,
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-.bi-html html {
-  font-size: 100%;
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-.bi-html button,
-.bi-html input,
-.bi-html select,
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-.bi-html a:focus {
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-  font-size: 2em;
-  margin: 0.67em 0;
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-  font-size: 1.5em;
-  margin: 0.83em 0;
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-.bi-html abbr[title] {
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-.bi-html b,
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-.bi-html blockquote {
-  margin: 1em 40px;
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-.bi-html mark {
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-.bi-html pre {
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-  font-family: monospace, serif;
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diff --git a/src/css/base/single/icon.css b/src/css/base/single/icon.css
deleted file mode 100644
index 03e445ad0..000000000
--- a/src/css/base/single/icon.css
+++ /dev/null
@@ -1,4 +0,0 @@
-.x-icon.b-font {
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-  width: 100%;
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diff --git a/src/css/base/single/input/checkbox.css b/src/css/base/single/input/checkbox.css
deleted file mode 100644
index 723af0ddc..000000000
--- a/src/css/base/single/input/checkbox.css
+++ /dev/null
@@ -1,67 +0,0 @@
-.bi-checkbox .checkbox-content {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
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-.bi-checkbox .checkbox-content:after {
-  position: absolute;
-  display: table;
-  top: 50%;
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-  border-left: 0;
-  width: 4px;
-  height: 8px;
-  -webkit-transform: rotate(45deg) scale(1) translate(-50%, -50%);
-  -moz-transform: rotate(45deg) scale(1) translate(-50%, -50%);
-  -o-transform: rotate(45deg) scale(1) translate(-50%, -50%);
-  -ms-transform: rotate(45deg) scale(1) translate(-50%, -50%);
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-  border-color: #3685f2;
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-.bi-theme-dark .bi-checkbox:active .checkbox-content {
-  border-color: #3685f2;
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-  background-color: #292f45;
-}
-.bi-theme-dark .bi-checkbox.disabled.active .checkbox-content {
-  background-color: #606479;
-  border-color: #606479;
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diff --git a/src/css/base/single/input/file.css b/src/css/base/single/input/file.css
deleted file mode 100644
index 82aa8303f..000000000
--- a/src/css/base/single/input/file.css
+++ /dev/null
@@ -1,5 +0,0 @@
-.bi-file {
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diff --git a/src/css/base/single/input/input.css b/src/css/base/single/input/input.css
deleted file mode 100644
index 77baebab0..000000000
--- a/src/css/base/single/input/input.css
+++ /dev/null
@@ -1,19 +0,0 @@
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-.bi-textarea.bi-input-focus {
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-.bi-input.bi-input-error,
-.bi-textarea.bi-input-error {
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-  color: #e65251 !important;
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diff --git a/src/css/base/single/input/radio.css b/src/css/base/single/input/radio.css
deleted file mode 100644
index 2cf9d5776..000000000
--- a/src/css/base/single/input/radio.css
+++ /dev/null
@@ -1,70 +0,0 @@
-.bi-radio .radio-content {
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-  width: 6px;
-  height: 6px;
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-  -moz-border-radius: 3px;
-  border-radius: 3px;
-  background-color: #ffffff;
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-}
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diff --git a/src/css/base/single/label.css b/src/css/base/single/label.css
deleted file mode 100644
index d8e35b8fb..000000000
--- a/src/css/base/single/label.css
+++ /dev/null
@@ -1,6 +0,0 @@
-.bi-label {
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diff --git a/src/css/base/single/text.css b/src/css/base/single/text.css
deleted file mode 100644
index ade369b5c..000000000
--- a/src/css/base/single/text.css
+++ /dev/null
@@ -1,14 +0,0 @@
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-  /*Firefox3.5+*/
-  -ms-box-sizing: border-box;
-  /*IE8*/
-  box-sizing: border-box;
-  /*W3C标准(IE9+，Safari5.1+,Chrome10.0+,Opera10.6+都符合box-sizing的w3c标准语法)*/
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diff --git a/src/css/base/single/tip/tip.css b/src/css/base/single/tip/tip.css
deleted file mode 100644
index 20ee964b1..000000000
--- a/src/css/base/single/tip/tip.css
+++ /dev/null
@@ -1,69 +0,0 @@
-.bi-bubble .bubble-text {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
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-  background: #ffecec;
-  color: #e65251;
-}
-.bi-theme-dark .bi-bubble .bubble-error {
-  background: #3A2940;
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-.bi-bubble .bubble-common {
-  background: #eaf2fd;
-  color: #3685f2;
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-  background: #e1f4e7;
-  color: #13cd66;
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-  background: #feeed7;
-  color: #faaa39;
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-
-.bi-tip {
-  position: fixed !important;
-}
-
-.bi-toast {
-  color: #ffffff;
-  max-width: 400px;
-  min-width: 150px;
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
-.bi-toast.toast-success {
-  background: #13cd66;
-}
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-  background: #faaa39;
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-.bi-toast.toast-error {
-  background: #e65251;
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-.bi-toast.toast-normal {
-  background: #3685f2;
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-.bi-toast .toast-icon {
-  font-size: 16px;
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-
-.bi-tooltip {
-  max-width: 250px;
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-  font-size: 12px;
-  color: #ffffff;
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-.bi-tooltip.tooltip-success {
-  background: #647185;
-  border: 1px solid #647185;
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-.bi-tooltip.tooltip-warning {
-  background: #e65251;
-  border: 1px solid #e65251;
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diff --git a/src/css/base/tree/tree.css b/src/css/base/tree/tree.css
deleted file mode 100644
index 4ba2ec450..000000000
--- a/src/css/base/tree/tree.css
+++ /dev/null
@@ -1,36 +0,0 @@
-.bi-branch-tree .bi-branch-tree-view {
-  min-width: 300px;
-}
-
-.bi-display-tree .ztree * {
-  color: #999999;
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-.bi-display-tree .ztree li span {
-  cursor: default !important;
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-  text-decoration: none;
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-.bi-display-tree .ztree li a.curSelectedNode {
-  padding-top: 1px;
-  border: none;
-  background-color: inherit;
-  opacity: 1;
-  filter: alpha(opacity=100);
-}
-
-.bi-list-display-tree .ztree li a,
-.bi-list-display-tree .ztree li span {
-  cursor: default !important;
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-.bi-list-display-tree .ztree li a:hover {
-  text-decoration: none;
-}
-.bi-list-display-tree .ztree li a.curSelectedNode {
-  padding-top: 1px;
-  border: none;
-  background-color: inherit;
-  opacity: 1;
-  filter: alpha(opacity=100);
-}
diff --git a/src/css/base/tree/ztree.css b/src/css/base/tree/ztree.css
deleted file mode 100644
index 5f2d9413a..000000000
--- a/src/css/base/tree/ztree.css
+++ /dev/null
@@ -1,238 +0,0 @@
-.ztree * {
-  padding: 0;
-  margin: 0;
-}
-.ztree {
-  margin: 0;
-  padding: 5px;
-}
-.ztree li {
-  padding: 0;
-  margin: 0;
-  list-style: none;
-  line-height: 14px;
-  text-align: left;
-  white-space: pre;
-  outline: 0;
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-  margin: 0;
-  padding: 0 0 0 18px;
-}
-.ztree li a {
-  padding: 1px 3px 0 0;
-  margin: 0;
-  cursor: pointer;
-  height: 24px;
-  background-color: transparent;
-  text-decoration: none;
-  vertical-align: top;
-  display: inline-block;
-}
-.ztree li a:hover {
-  background-color: rgba(54, 133, 242, 0.06);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#0f3685f2,endColorstr=#0f3685f2);
-}
-.ztree li a:active {
-  color: #3685f2;
-  background-color: rgba(54, 133, 242, 0.06);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#0f3685f2,endColorstr=#0f3685f2);
-}
-.ztree li a.curSelectedNode_Edit {
-  padding-top: 0px;
-  background-color: #FFE6B0;
-  color: black;
-  height: 16px;
-  border: 1px #FFB951 solid;
-  opacity: 0.8;
-}
-.ztree li a.tmpTargetNode_inner {
-  padding-top: 0px;
-  background-color: #316AC5;
-  color: white;
-  height: 16px;
-  border: 1px #316AC5 solid;
-  opacity: 0.8;
-  filter: alpha(opacity=80);
-}
-.ztree li a input.rename {
-  height: 14px;
-  width: 80px;
-  padding: 0;
-  margin: 0;
-  font-size: 12px;
-  border: 1px #7EC4CC solid;
-  *border: 0px;
-}
-.ztree li span {
-  line-height: 24px;
-  margin-right: 2px;
-}
-.ztree li span.bi-keyword-red-mark {
-  margin-right: 0px;
-}
-.ztree li span.button {
-  line-height: 0;
-  margin: 0;
-  width: 16px;
-  height: 16px;
-  display: inline-block;
-  vertical-align: middle;
-  border: 0 none;
-  cursor: pointer;
-  outline: none;
-  background-color: transparent;
-  background-repeat: no-repeat;
-  background-attachment: scroll;
-}
-.ztree li span.button.chk {
-  width: 16px;
-  height: 16px;
-  margin: 0 3px 0 0;
-  cursor: auto;
-}
-.ztree li span.button.chk.checkbox_false_disable {
-  background-position: 0 -56px;
-}
-.ztree li span.button.chk.checkbox_true_disable {
-  background-position: -14px -56px;
-}
-.ztree li span.button.chk.radio_false_full {
-  background-position: -28px 0;
-}
-.ztree li span.button.chk.radio_false_full_focus {
-  background-position: -28px -14px;
-}
-.ztree li span.button.chk.radio_false_part {
-  background-position: -28px -28px;
-}
-.ztree li span.button.chk.radio_false_part_focus {
-  background-position: -28px -42px;
-}
-.ztree li span.button.chk.radio_false_disable {
-  background-position: -28px -56px;
-}
-.ztree li span.button.chk.radio_true_full {
-  background-position: -42px 0;
-}
-.ztree li span.button.chk.radio_true_full_focus {
-  background-position: -42px -14px;
-}
-.ztree li span.button.chk.radio_true_part {
-  background-position: -42px -28px;
-}
-.ztree li span.button.chk.radio_true_part_focus {
-  background-position: -42px -42px;
-}
-.ztree li span.button.chk.checkbox_true_full + a {
-  color: #3685f2;
-}
-.ztree li span.button.chk.checkbox_true_full_focus + a {
-  color: #3685f2;
-}
-.ztree li span.button.chk.checkbox_true_part + a {
-  color: #3685f2;
-}
-.ztree li span.button.chk.checkbox_true_part_focus + a {
-  color: #3685f2;
-}
-.ztree li span.button.chk.radio_true_disable {
-  background-position: -42px -56px;
-}
-.ztree li span.button.switch {
-  width: 25px;
-  height: 25px;
-}
-.ztree li span.button.noline_open {
-  background-position: -92px -72px;
-}
-.ztree li span.button.noline_close {
-  background-position: -74px -72px;
-}
-.ztree li span.button.root_docu {
-  background: none;
-}
-.ztree li span.button.noline_docu {
-  background: none;
-}
-.ztree li span.button.ico_open {
-  margin-right: 2px;
-  background-position: -110px -16px;
-  vertical-align: top;
-  *vertical-align: middle;
-}
-.ztree li span.button.ico_close {
-  margin-right: 2px;
-  background-position: -110px 0;
-  vertical-align: top;
-  *vertical-align: middle;
-}
-.ztree li span.button.ico_docu {
-  margin-right: 2px;
-  background-position: -110px -32px;
-  vertical-align: top;
-  *vertical-align: middle;
-}
-.ztree li span.button.edit {
-  margin-right: 2px;
-  background-position: -110px -48px;
-  vertical-align: top;
-  *vertical-align: middle;
-}
-.ztree li span.button.remove {
-  margin-right: 2px;
-  background-position: -110px -64px;
-  vertical-align: top;
-  *vertical-align: middle;
-}
-.ztree li span.button.ico_loading {
-  width: 0px;
-  margin-right: 2px;
-  vertical-align: top;
-  *vertical-align: middle;
-}
-ul.tmpTargetzTree {
-  background-color: #FFE6B0;
-  opacity: 0.8;
-  filter: alpha(opacity=80);
-}
-span.tmpzTreeMove_arrow {
-  width: 16px;
-  height: 16px;
-  display: inline-block;
-  padding: 0;
-  margin: 2px 0 0 1px;
-  border: 0 none;
-  position: absolute;
-  background-color: transparent;
-  background-repeat: no-repeat;
-  background-attachment: scroll;
-  background-position: -110px -80px;
-}
-ul.ztree.zTreeDragUL {
-  margin: 0;
-  padding: 0;
-  position: absolute;
-  width: auto;
-  height: auto;
-  overflow: hidden;
-  background-color: #cfcfcf;
-  border: 1px #00B83F dotted;
-  opacity: 0.8;
-  filter: alpha(opacity=80);
-}
-.zTreeMask {
-  z-index: 10000;
-  background-color: #cfcfcf;
-  opacity: 0.0;
-  filter: alpha(opacity=0);
-  position: absolute;
-}
-/* level style*/
-/*.ztree li span.button.level0 {
-	display:none;
-}
-.ztree li ul.level0 {
-	padding:0;
-	background:none;
-}*/
diff --git a/src/css/base/trigger/trigger.css b/src/css/base/trigger/trigger.css
deleted file mode 100644
index acc7552a7..000000000
--- a/src/css/base/trigger/trigger.css
+++ /dev/null
@@ -1,17 +0,0 @@
-
-
-.bi-trigger .bi-trigger-icon-button {
-  font-size: 16px;
-}
-
-.bi-select-text-trigger {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
-
-.bi-small-select-text-trigger {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
diff --git a/src/css/base/view/popover.css b/src/css/base/view/popover.css
deleted file mode 100644
index 3882aa373..000000000
--- a/src/css/base/view/popover.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bi-popover {
-  border: 1px solid transparent;
-}
diff --git a/src/css/base/view/popupview.css b/src/css/base/view/popupview.css
deleted file mode 100644
index 138e4d445..000000000
--- a/src/css/base/view/popupview.css
+++ /dev/null
@@ -1,42 +0,0 @@
-/**********BI.BIListView*************/
-.bi-popup-view {
-  position: fixed !important;
-  overflow-y: visible !important;
-  overflow-x: visible !important;
-  overflow: visible !important;
-  cursor: default;
-}
-.bi-popup-view .list-view-outer {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
-.bi-popup-view .padding-outer {
-  padding-top: 5px;
-  padding-bottom: 5px;
-}
-.bi-popup-view .list-view-shadow {
-  -webkit-box-shadow: 0 1px 5px 0 rgba(35, 46, 64, 0.2);
-  -moz-box-shadow: 0 1px 5px 0 rgba(35, 46, 64, 0.2);
-  box-shadow: 0 1px 5px 0 rgba(35, 46, 64, 0.2);
-}
-.bi-popup-view .list-view-toolbar {
-  line-height: 24px;
-}
-.bi-popup-view .list-view-toolbar > .center-element {
-  border-left: 1px solid #e8eaed;
-}
-.bi-popup-view .list-view-toolbar > .first-element {
-  border-left: none;
-}
-.bi-theme-dark .bi-popup-view .list-view-toolbar > .center-element {
-  border-left: 1px solid #363e55;
-}
-.bi-theme-dark .bi-popup-view .list-view-toolbar > .first-element {
-  border-left: none;
-}
-.bi-theme-dark .list-view-shadow {
-  -webkit-box-shadow: 0 1px 5px 0 rgba(25, 27, 43, 0.8);
-  -moz-box-shadow: 0 1px 5px 0 rgba(25, 27, 43, 0.8);
-  box-shadow: 0 1px 5px 0 rgba(25, 27, 43, 0.8);
-}
diff --git a/src/css/box-model.css b/src/css/box-model.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/core/normalize.css b/src/css/core/normalize.css
deleted file mode 100644
index e5e340fd5..000000000
--- a/src/css/core/normalize.css
+++ /dev/null
@@ -1,230 +0,0 @@
-/*! normalize.css v1.0.0 | MIT License | git.io/normalize */
-article,
-aside,
-details,
-figcaption,
-figure,
-footer,
-header,
-hgroup,
-nav,
-section,
-summary {
-  display: block;
-}
-audio,
-canvas,
-video {
-  display: inline-block;
-  *display: inline;
-  *zoom: 1;
-}
-audio:not([controls]) {
-  display: none;
-  height: 0;
-}
-[hidden] {
-  display: none;
-}
-html {
-  font-size: 100%;
-  -webkit-text-size-adjust: 100%;
-  -ms-text-size-adjust: 100%;
-}
-html,
-button,
-input,
-select,
-textarea {
-  font-family: sans-serif;
-}
-body {
-  margin: 0;
-}
-a:focus {
-  outline: thin dotted;
-}
-a:active,
-a:hover {
-  outline: 0;
-}
-h1 {
-  font-size: 2em;
-  margin: 0.67em 0;
-}
-h2 {
-  font-size: 1.5em;
-  margin: 0.83em 0;
-}
-h3 {
-  font-size: 1.17em;
-  margin: 1em 0;
-}
-h4 {
-  font-size: 1em;
-  margin: 1.33em 0;
-}
-h5 {
-  font-size: .83em;
-  margin: 1.67em 0;
-}
-h6 {
-  font-size: .75em;
-  margin: 2.33em 0;
-}
-abbr[title] {
-  border-bottom: 1px dotted;
-}
-b,
-strong {
-  font-weight: bold;
-}
-blockquote {
-  margin: 1em 40px;
-}
-dfn {
-  font-style: italic;
-}
-mark {
-  background: #ff0;
-  color: #000;
-}
-p,
-pre {
-  margin: 1em 0;
-}
-code,
-kbd,
-pre,
-samp {
-  font-family: monospace, serif;
-  _font-family: 'courier new', monospace;
-  font-size: 1em;
-}
-pre {
-  white-space: pre;
-  white-space: pre-wrap;
-  word-wrap: break-word;
-}
-q {
-  quotes: none;
-}
-q:before,
-q:after {
-  content: '';
-  content: none;
-}
-small {
-  font-size: 75%;
-}
-sub,
-sup {
-  font-size: 75%;
-  line-height: 0;
-  position: relative;
-  vertical-align: baseline;
-}
-sup {
-  top: -0.5em;
-}
-sub {
-  bottom: -0.25em;
-}
-dl,
-menu,
-ol,
-ul {
-  margin: 1em 0;
-}
-dd {
-  margin: 0 0 0 40px;
-}
-menu,
-ol,
-ul {
-  padding: 0 0 0 40px;
-}
-nav ul,
-nav ol {
-  list-style: none;
-  list-style-image: none;
-}
-img {
-  border: 0;
-  -ms-interpolation-mode: bicubic;
-}
-svg:not(:root) {
-  overflow: hidden;
-}
-figure {
-  margin: 0;
-}
-form {
-  margin: 0;
-}
-fieldset {
-  border: 1px solid #c0c0c0;
-  margin: 0 2px;
-  padding: 0.35em 0.625em 0.75em;
-}
-legend {
-  border: 0;
-  padding: 0;
-  white-space: normal;
-  *margin-left: -7px;
-}
-button,
-input,
-select,
-textarea {
-  font-size: 100%;
-  margin: 0;
-  vertical-align: baseline;
-  *vertical-align: middle;
-}
-button,
-input {
-  line-height: normal;
-}
-button,
-html input[type="button"],
-input[type="reset"],
-input[type="submit"] {
-  -webkit-appearance: button;
-  cursor: pointer;
-  *overflow: visible;
-}
-button[disabled],
-input[disabled] {
-  cursor: default;
-}
-input[type="checkbox"],
-input[type="radio"] {
-  box-sizing: border-box;
-  padding: 0;
-  *height: 13px;
-  *width: 13px;
-}
-input[type="search"] {
-  -webkit-appearance: textfield;
-  -moz-box-sizing: content-box;
-  -webkit-box-sizing: content-box;
-  box-sizing: content-box;
-}
-input[type="search"]::-webkit-search-cancel-button,
-input[type="search"]::-webkit-search-decoration {
-  -webkit-appearance: none;
-}
-button::-moz-focus-inner,
-input::-moz-focus-inner {
-  border: 0;
-  padding: 0;
-}
-textarea {
-  overflow: auto;
-  vertical-align: top;
-}
-table {
-  border-collapse: collapse;
-  border-spacing: 0;
-}
diff --git a/src/css/core/normalize2.css b/src/css/core/normalize2.css
deleted file mode 100644
index 1403b0e1b..000000000
--- a/src/css/core/normalize2.css
+++ /dev/null
@@ -1,117 +0,0 @@
-html,
-body,
-div,
-ul,
-ol,
-li,
-img,
-a,
-span,
-p,
-* {
-  margin: 0;
-  padding: 0;
-}
-html {
-  height: 100%;
-  overflow: hidden;
-}
-body {
-  position: absolute;
-  width: 100%;
-  height: 100%;
-  margin: 0;
-  padding: 0;
-  top: 0;
-  left: 0;
-  background-repeat: repeat;
-  -webkit-user-select: none;
-  -khtml-user-select: none;
-  -moz-user-select: none;
-  -ms-user-select: none;
-  -o-user-select: none;
-  user-select: none;
-  color: #3d4d66;
-  font: normal 12px "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Heiti, "黑体", sans-serif;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-  text-decoration: none;
-  -kthml-user-focus: normal;
-  -moz-user-focus: normal;
-  -moz-outline: 0 none;
-  outline: 0 none;
-}
-div::-webkit-scrollbar,
-textarea::-webkit-scrollbar {
-  -webkit-appearance: none;
-  width: 10px;
-  height: 10px;
-}
-div::-webkit-scrollbar-track,
-textarea::-webkit-scrollbar-track {
-  -webkit-border-radius: 5px;
-  -moz-border-radius: 5px;
-  border-radius: 5px;
-  background-color: rgba(35, 46, 64, 0.05);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#0d232e40,endColorstr=#0d232e40);
-}
-div::-webkit-scrollbar-track:hover,
-textarea::-webkit-scrollbar-track:hover {
-  background-color: rgba(35, 46, 64, 0.05);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#0d232e40,endColorstr=#0d232e40);
-}
-div::-webkit-scrollbar-thumb,
-textarea::-webkit-scrollbar-thumb {
-  border: 2px solid transparent;
-  background-clip: padding-box;
-  -webkit-border-radius: 10px;
-  -moz-border-radius: 10px;
-  border-radius: 10px;
-  background-color: rgba(35, 46, 64, 0.1);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#1a232e40,endColorstr=#1a232e40);
-}
-div::-webkit-scrollbar-thumb:hover,
-textarea::-webkit-scrollbar-thumb:hover {
-  background-color: rgba(35, 46, 64, 0.3);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#4d232e40,endColorstr=#4d232e40);
-}
-div::-webkit-scrollbar-corner,
-textarea::-webkit-scrollbar-corner {
-  background-color: transparent;
-}
-a {
-  outline: none;
-  text-decoration: none;
-}
-a:focus {
-  outline: 0;
-}
-div:focus {
-  outline: none;
-}
-input::-webkit-contacts-auto-fill-button {
-  visibility: hidden;
-  display: none !important;
-  pointer-events: none;
-  position: absolute;
-  right: 0;
-}
-input::-ms-clear {
-  display: none;
-}
-input,
-textarea {
-  margin: 0;
-  padding: 0;
-  outline: none;
-}
-ul {
-  list-style: disc;
-}
-li {
-  list-style-type: none;
-}
-i {
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
diff --git a/src/css/core/utils/animation.css b/src/css/core/utils/animation.css
deleted file mode 100644
index 505a754f6..000000000
--- a/src/css/core/utils/animation.css
+++ /dev/null
@@ -1,48 +0,0 @@
-/** 循环旋转动画 **/
-.anim-rotate {
-  -webkit-animation: rotate 1s infinite linear both;
-  -moz-animation: rotate 1s infinite linear both;
-  -ms-animation: rotate 1s infinite linear both;
-  -o-animation: rotate 1s infinite linear both;
-  animation: rotate 1s infinite linear both;
-}
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diff --git a/src/css/core/utils/common.css b/src/css/core/utils/common.css
deleted file mode 100644
index 653a19970..000000000
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deleted file mode 100644
index 0973b0a17..000000000
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index 0376a1ee1..000000000
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deleted file mode 100644
index a276a19bf..000000000
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deleted file mode 100644
index 65ec7a96f..000000000
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deleted file mode 100644
index 44d540004..000000000
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index e69de29bb..000000000
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deleted file mode 100644
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deleted file mode 100644
index 0bb6cd64a..000000000
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diff --git a/src/css/resource/font.css b/src/css/resource/font.css
deleted file mode 100644
index 5c59876e7..000000000
--- a/src/css/resource/font.css
+++ /dev/null
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-  color: #3f8ce8;
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-.check-mark-font .b-font:before {
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-.check-mark-ha-font .b-font:before {
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-  color: inherit;
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-.check-mark-ha-font:active .b-font:before,
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-  color: #3f8ce8;
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-.check-mark-e-font .b-font:before {
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-  color: inherit;
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-/** dashboard组件/控件 下拉列表图标字体 ~end~**/
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-}
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-}
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-}
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-  color: inherit;
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-  color: inherit;
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-  content: "\e6d8";
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-}
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-}
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-  *zoom: expression( this.runtimeStyle['zoom'] = '1',this.innerHTML = '');
-}
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-  *zoom: expression( this.runtimeStyle['zoom'] = '1',this.innerHTML = '');
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-.trigger-triangle-font .b-font:before {
-  content: "\e64e";
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-  content: "\e64e";
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-  content: "\e70b";
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-}
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-  color: #3685f2;
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-.item-check-font .b-font:before {
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-  color: #ffffff;
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-  *zoom: expression( this.runtimeStyle['zoom'] = '1',this.innerHTML = '');
-}
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-.primary-key-font:hover .b-font:before,
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-  content: "\e740";
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-  content: "\e740";
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-  *zoom: expression( this.runtimeStyle['zoom'] = '1',this.innerHTML = '');
-}
-.drag-tag-font .b-font:before {
-  content: "\e6d0";
-  color: #faaa39;
-}
-.drag-tag-font.disabled .b-font:before {
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-  color: #faaa39;
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-  *zoom: expression( this.runtimeStyle['zoom'] = '1',this.innerHTML = '');
-}
-.less-font .b-font:before {
-  content: "\e75e";
-  color: inherit;
-}
-.less-font.disabled .b-font:before {
-  content: "\e75e";
-  color: inherit;
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-  *zoom: expression( this.runtimeStyle['zoom'] = '1',this.innerHTML = '');
-}
-.less-equal-font .b-font:before {
-  content: "\e761";
-  color: inherit;
-}
-.less-equal-font.disabled .b-font:before {
-  content: "\e761";
-  color: inherit;
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-  *zoom: expression( this.runtimeStyle['zoom'] = '1',this.innerHTML = '');
-}
-.text-bold-font .b-font:before {
-  content: "\e697";
-  color: inherit;
-}
-.text-bold-font.disabled .b-font:before {
-  content: "\e697";
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-}
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-  color: inherit;
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-  content: "\e69c";
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-.text-color-font .b-font:before {
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-  color: inherit;
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-.text-color-font.disabled .b-font:before {
-  content: "\e698";
-  color: inherit;
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-.text-background-font .b-font:before {
-  content: "\e699";
-  color: inherit;
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-.text-background-font.disabled .b-font:before {
-  content: "\e699";
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-  *zoom: expression( this.runtimeStyle['zoom'] = '1',this.innerHTML = '');
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-  color: inherit;
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-.text-align-left-font .b-font:before {
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diff --git a/src/css/resource/icon.css b/src/css/resource/icon.css
deleted file mode 100644
index c2edb9d6b..000000000
--- a/src/css/resource/icon.css
+++ /dev/null
@@ -1,366 +0,0 @@
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-.bi-theme-dark .tree-collapse-icon-type2 .x-icon.hack {
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-.bi-theme-dark .tree-collapse-icon-type3 .x-icon.hack {
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-.bi-theme-dark .tree-collapse-icon-type4 .x-icon.hack {
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-.bi-theme-dark .tree-expand-icon-type1 .x-icon.hack {
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-.bi-theme-dark .tree-expand-icon-type2 .x-icon.hack {
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-.bi-theme-dark .tree-expand-icon-type3 .x-icon {
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-.bi-theme-dark .tree-expand-icon-type3 .x-icon.hack {
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-.bi-theme-dark .tree-expand-icon-type4 .x-icon {
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-.bi-theme-dark .tree-expand-icon-type4 .x-icon.hack {
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-.bi-theme-dark .tree-vertical-line-type2 .x-icon.hack {
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-.bi-theme-dark .tree-vertical-line-type3 .x-icon {
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-.bi-theme-dark .tree-vertical-line-type3 .x-icon.hack {
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-.bi-theme-dark .tree-vertical-line-type4 .x-icon {
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-.bi-theme-dark .tree-vertical-line-type4 .x-icon.hack {
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-.check-box-icon .x-icon.hack {
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-.check-box-icon:hover .x-icon,
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-.check-box-icon:hover .x-icon.hack,
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-.check-box-icon:active .x-icon {
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-.check-box-icon.active .x-icon.hack {
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-.slider-icon:hover .x-icon,
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-.slider-icon:hover .x-icon.hack,
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-.auto-color-icon.active .x-icon {
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-.auto-color-icon.active .x-icon.hack {
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-.auto-color-icon.disabled .x-icon.hack {
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-.trans-color-icon .x-icon {
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-.trans-color-icon .x-icon.hack {
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-.trans-color-icon.active .x-icon {
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-.trans-color-icon.active .x-icon.hack {
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-.trans-color-icon.disabled .x-icon {
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-.trans-color-icon.disabled .x-icon.hack {
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diff --git a/src/css/resource/size.css b/src/css/resource/size.css
deleted file mode 100644
index b03b292c2..000000000
--- a/src/css/resource/size.css
+++ /dev/null
@@ -1,18 +0,0 @@
-.icon-size-12 .b-font {
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-.icon-size-24 .b-font {
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-.icon-size-50 .b-font {
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-.icon-size-70 .b-font {
-  font-size: 70px;
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diff --git a/src/css/theme/dark.css b/src/css/theme/dark.css
deleted file mode 100644
index 0a7b6115f..000000000
--- a/src/css/theme/dark.css
+++ /dev/null
@@ -1,6 +0,0 @@
-.bi-theme-dark {
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-.bi-theme-dark .bi-input {
-  color: #ffffff;
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diff --git a/src/css/theme/default.css b/src/css/theme/default.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/theme/light.css b/src/css/theme/light.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/typographic.css b/src/css/typographic.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/var.css b/src/css/var.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/visual.css b/src/css/visual.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/date/calendar/picker.css b/src/css/widget/date/calendar/picker.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/date/trigger.css b/src/css/widget/date/trigger.css
deleted file mode 100644
index 94c2071ef..000000000
--- a/src/css/widget/date/trigger.css
+++ /dev/null
@@ -1,5 +0,0 @@
-.bi-date-trigger {
-  -webkit-border-radius: 2px;
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-  border-radius: 2px;
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diff --git a/src/css/widget/downlist/combo.css b/src/css/widget/downlist/combo.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/downlist/popup.css b/src/css/widget/downlist/popup.css
deleted file mode 100644
index a3a7ae2a5..000000000
--- a/src/css/widget/downlist/popup.css
+++ /dev/null
@@ -1,6 +0,0 @@
-.bi-down-list-popup .list-group-item-text {
-  max-width: 203px;
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-.bi-down-list-popup .bi-down-list-item .list-item-text {
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diff --git a/src/css/widget/dynamicdatecombo/dynamicdatepopup.css b/src/css/widget/dynamicdatecombo/dynamicdatepopup.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/dynamicdatecombo/dynamicdatetime.css b/src/css/widget/dynamicdatecombo/dynamicdatetime.css
deleted file mode 100644
index 3c31d30c9..000000000
--- a/src/css/widget/dynamicdatecombo/dynamicdatetime.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bi-dynamic-date-combo .date-font {
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diff --git a/src/css/widget/dynamicdatecombo/dynamicdatetimepopup.css b/src/css/widget/dynamicdatecombo/dynamicdatetimepopup.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/interactivearrangement/interactivearrangement.css b/src/css/widget/interactivearrangement/interactivearrangement.css
deleted file mode 100644
index 17825ff2e..000000000
--- a/src/css/widget/interactivearrangement/interactivearrangement.css
+++ /dev/null
@@ -1,7 +0,0 @@
-.bi-interactive-arrangement .interactive-arrangement-dragtag-line {
-  z-index: 1000000000;
-  background-color: #faaa39;
-}
-.bi-interactive-arrangement .interactive-arrangement-dragtag-icon {
-  z-index: 1000000000;
-}
diff --git a/src/css/widget/intervalslider/intervalslider.css b/src/css/widget/intervalslider/intervalslider.css
deleted file mode 100644
index c53845d37..000000000
--- a/src/css/widget/intervalslider/intervalslider.css
+++ /dev/null
@@ -1,7 +0,0 @@
-.bi-interval-slider-label {
-  min-height: 50px;
-}
-
-.bi-interval-slider {
-  min-height: 50px;
-}
diff --git a/src/css/widget/month/combo.css b/src/css/widget/month/combo.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/month/popup.css b/src/css/widget/month/popup.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/month/trigger.css b/src/css/widget/month/trigger.css
deleted file mode 100644
index 047ce2087..000000000
--- a/src/css/widget/month/trigger.css
+++ /dev/null
@@ -1,5 +0,0 @@
-.bi-month-trigger {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
diff --git a/src/css/widget/multilayerselecttree/multilayerselecttree.css b/src/css/widget/multilayerselecttree/multilayerselecttree.css
deleted file mode 100644
index 14917bad0..000000000
--- a/src/css/widget/multilayerselecttree/multilayerselecttree.css
+++ /dev/null
@@ -1,25 +0,0 @@
-.bi-multilayer-select-tree-combo .trigger-icon-button {
-  font-size: 16px;
-}
-.bi-multilayer-select-tree-combo .bi-combo.bi-combo-popup + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(180deg);
-  -moz-transform: rotate(180deg);
-  transform: rotate(180deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
-.bi-multilayer-select-tree-combo .bi-combo + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(0deg);
-  -moz-transform: rotate(0deg);
-  transform: rotate(0deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
-
-.bi-multilayer-select-level-tree .tree-view {
-  min-width: 100%;
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diff --git a/src/css/widget/multilayersingletree/multilayersingletree.css b/src/css/widget/multilayersingletree/multilayersingletree.css
deleted file mode 100644
index 60ff7dba5..000000000
--- a/src/css/widget/multilayersingletree/multilayersingletree.css
+++ /dev/null
@@ -1,25 +0,0 @@
-.bi-multilayer-single-tree-combo .trigger-icon-button {
-  font-size: 16px;
-}
-.bi-multilayer-single-tree-combo .bi-combo.bi-combo-popup + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(180deg);
-  -moz-transform: rotate(180deg);
-  transform: rotate(180deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
-.bi-multilayer-single-tree-combo .bi-combo + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(0deg);
-  -moz-transform: rotate(0deg);
-  transform: rotate(0deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
-
-.bi-multilayer-single-level-tree .tree-view {
-  min-width: 100%;
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diff --git a/src/css/widget/multiselect/check/multiselect.css b/src/css/widget/multiselect/check/multiselect.css
deleted file mode 100644
index 016c3c3f6..000000000
--- a/src/css/widget/multiselect/check/multiselect.css
+++ /dev/null
@@ -1,4 +0,0 @@
-.bi-multi-select-check-pane .multi-select-check-selected {
-  text-decoration: underline;
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-
diff --git a/src/css/widget/multiselect/multiselect.css b/src/css/widget/multiselect/multiselect.css
deleted file mode 100644
index 9710bffb0..000000000
--- a/src/css/widget/multiselect/multiselect.css
+++ /dev/null
@@ -1,45 +0,0 @@
-.bi-multi-select-combo .multi-select-trigger-icon-button {
-  font-size: 16px;
-}
-.bi-multi-select-combo .bi-combo.bi-combo-popup + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(180deg);
-  -moz-transform: rotate(180deg);
-  transform: rotate(180deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
-.bi-multi-select-combo .bi-combo + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(0deg);
-  -moz-transform: rotate(0deg);
-  transform: rotate(0deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
-
-.bi-multi-select-insert-combo .multi-select-trigger-icon-button {
-  font-size: 16px;
-}
-.bi-multi-select-insert-combo .bi-combo.bi-combo-popup + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(180deg);
-  -moz-transform: rotate(180deg);
-  transform: rotate(180deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
-.bi-multi-select-insert-combo .bi-combo + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(0deg);
-  -moz-transform: rotate(0deg);
-  transform: rotate(0deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
-
-
diff --git a/src/css/widget/multiselect/search/multiselect.css b/src/css/widget/multiselect/search/multiselect.css
deleted file mode 100644
index 3d881ba36..000000000
--- a/src/css/widget/multiselect/search/multiselect.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bi-multi-select-search-pane .multi-select-toolbar {
-  color: #faaa39;
-}
diff --git a/src/css/widget/multiselect/trigger/button.css b/src/css/widget/multiselect/trigger/button.css
deleted file mode 100644
index c5988893d..000000000
--- a/src/css/widget/multiselect/trigger/button.css
+++ /dev/null
@@ -1,7 +0,0 @@
-.bi-multi-select-check-selected-button {
-  z-index: 1;
-  min-width: 16px;
-  -webkit-border-radius: 8px;
-  -moz-border-radius: 8px;
-  border-radius: 8px;
-}
diff --git a/src/css/widget/multistringlist/multistringlist.css b/src/css/widget/multistringlist/multistringlist.css
deleted file mode 100644
index 0d9d9f6bf..000000000
--- a/src/css/widget/multistringlist/multistringlist.css
+++ /dev/null
@@ -1,17 +0,0 @@
-.bi-multi-select-insert-list .bi-search-editor {
-  -moz-border-radius-bottomleft: 0px;
-  -webkit-border-bottom-left-radius: 0px;
-  -moz-border-radius-bottomright: 0px;
-  -webkit-border-bottom-right-radius: 0px;
-  border-bottom-right-radius: 0px;
-  border-bottom-left-radius: 0px;
-}
-
-.bi-multi-select-list .bi-search-editor {
-  -moz-border-radius-bottomleft: 0px;
-  -webkit-border-bottom-left-radius: 0px;
-  -moz-border-radius-bottomright: 0px;
-  -webkit-border-bottom-right-radius: 0px;
-  border-bottom-right-radius: 0px;
-  border-bottom-left-radius: 0px;
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diff --git a/src/css/widget/multitree/check/multi.css b/src/css/widget/multitree/check/multi.css
deleted file mode 100644
index 3e5a9615a..000000000
--- a/src/css/widget/multitree/check/multi.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bi-multi-tree-check-pane .multi-tree-check-selected {
-  color: #3685f2;
-}
diff --git a/src/css/widget/multitree/display.css b/src/css/widget/multitree/display.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/multitree/multi.css b/src/css/widget/multitree/multi.css
deleted file mode 100644
index 930e70b55..000000000
--- a/src/css/widget/multitree/multi.css
+++ /dev/null
@@ -1,21 +0,0 @@
-.bi-multi-tree-combo .multi-select-trigger-icon-button {
-  font-size: 16px;
-}
-.bi-multi-tree-combo .bi-combo.bi-combo-popup + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(180deg);
-  -moz-transform: rotate(180deg);
-  transform: rotate(180deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
-.bi-multi-tree-combo .bi-combo + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(0deg);
-  -moz-transform: rotate(0deg);
-  transform: rotate(0deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
diff --git a/src/css/widget/multitree/popup.css b/src/css/widget/multitree/popup.css
deleted file mode 100644
index 9c1ddb078..000000000
--- a/src/css/widget/multitree/popup.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bi-multi-tree-popup .popup-view-tree {
-  min-height: 170px;
-}
diff --git a/src/css/widget/multitree/search.css b/src/css/widget/multitree/search.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/multitree/trigger/multi.css b/src/css/widget/multitree/trigger/multi.css
deleted file mode 100644
index 1d49b466e..000000000
--- a/src/css/widget/multitree/trigger/multi.css
+++ /dev/null
@@ -1,4 +0,0 @@
-.bi-multi-tree-check-selected-button .trigger-check-selected {
-  color: #3685f2;
-  z-index: 1;
-}
diff --git a/src/css/widget/multitreelist/multitreelist.css b/src/css/widget/multitreelist/multitreelist.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/numbereditor/number.css b/src/css/widget/numbereditor/number.css
deleted file mode 100644
index 7063f9f97..000000000
--- a/src/css/widget/numbereditor/number.css
+++ /dev/null
@@ -1,11 +0,0 @@
-.bi-number-editor {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
-.bi-number-editor .pull-down-font {
-  font-size: 12px;
-}
-.bi-number-editor .pull-up-font {
-  font-size: 12px;
-}
diff --git a/src/css/widget/numberinterval/numberinterval.css b/src/css/widget/numberinterval/numberinterval.css
deleted file mode 100644
index db820c670..000000000
--- a/src/css/widget/numberinterval/numberinterval.css
+++ /dev/null
@@ -1,46 +0,0 @@
-.bi-number-interval.hack {
-  -webkit-border-radius: 0px;
-  -moz-border-radius: 0px;
-  border-radius: 0px;
-}
-.bi-number-interval .number-interval-small-editor {
-  -moz-border-radius-topleft: 2px;
-  -webkit-border-top-left-radius: 2px;
-  -moz-border-radius-bottomleft: 2px;
-  -webkit-border-bottom-left-radius: 2px;
-  border-top-left-radius: 2px;
-  border-bottom-left-radius: 2px;
-}
-.bi-number-interval .number-interval-big-editor {
-  -moz-border-radius-topright: 2px;
-  -webkit-border-top-right-radius: 2px;
-  -moz-border-radius-bottomright: 2px;
-  -webkit-border-bottom-right-radius: 2px;
-  border-top-right-radius: 2px;
-  border-bottom-right-radius: 2px;
-}
-.bi-number-interval .number-interval-big-combo {
-  -moz-border-radius-topleft: 2px;
-  -webkit-border-top-left-radius: 2px;
-  -moz-border-radius-bottomleft: 2px;
-  -webkit-border-bottom-left-radius: 2px;
-  border-top-left-radius: 2px;
-  border-bottom-left-radius: 2px;
-}
-.bi-number-interval .number-interval-big-combo .bi-icon-combo-trigger .icon-combo-trigger-icon {
-  font-size: 14px;
-}
-.bi-number-interval .number-interval-small-combo {
-  -moz-border-radius-topright: 2px;
-  -webkit-border-top-right-radius: 2px;
-  -moz-border-radius-bottomright: 2px;
-  -webkit-border-bottom-right-radius: 2px;
-  border-top-right-radius: 2px;
-  border-bottom-right-radius: 2px;
-}
-.bi-number-interval .number-interval-small-combo .bi-icon-combo-trigger .icon-combo-trigger-icon {
-  font-size: 14px;
-}
-.bi-number-interval.number-error .bi-input {
-  color: #e65251 !important;
-}
diff --git a/src/css/widget/numberinterval/popup.css b/src/css/widget/numberinterval/popup.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/quarter/combo.css b/src/css/widget/quarter/combo.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/quarter/popup.css b/src/css/widget/quarter/popup.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/quarter/trigger.css b/src/css/widget/quarter/trigger.css
deleted file mode 100644
index 190dfff6d..000000000
--- a/src/css/widget/quarter/trigger.css
+++ /dev/null
@@ -1,5 +0,0 @@
-.bi-quarter-trigger {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
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diff --git a/src/css/widget/searchmultiselect/searchmultiselect.css b/src/css/widget/searchmultiselect/searchmultiselect.css
deleted file mode 100644
index d4676a537..000000000
--- a/src/css/widget/searchmultiselect/searchmultiselect.css
+++ /dev/null
@@ -1,6 +0,0 @@
-.bi-search-multi-text-value-combo .multi-select-trigger-icon-button {
-  font-size: 16px;
-}
-.bi-search-multi-text-value-combo.combo-error .bi-multi-select-searcher .tip-text-style {
-  color: #e65251;
-}
diff --git a/src/css/widget/singleselect/search/multiselect.css b/src/css/widget/singleselect/search/multiselect.css
deleted file mode 100644
index 3d881ba36..000000000
--- a/src/css/widget/singleselect/search/multiselect.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bi-multi-select-search-pane .multi-select-toolbar {
-  color: #faaa39;
-}
diff --git a/src/css/widget/singleselect/search/singleselect.css b/src/css/widget/singleselect/search/singleselect.css
deleted file mode 100644
index d0f4778a4..000000000
--- a/src/css/widget/singleselect/search/singleselect.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bi-single-select-search-pane .single-select-toolbar {
-  color: #faaa39;
-}
diff --git a/src/css/widget/singleselect/singleselect.css b/src/css/widget/singleselect/singleselect.css
deleted file mode 100644
index f5edc1c32..000000000
--- a/src/css/widget/singleselect/singleselect.css
+++ /dev/null
@@ -1,21 +0,0 @@
-.bi-single-select-combo .single-select-trigger-icon-button {
-  font-size: 16px;
-}
-.bi-single-select-combo .bi-combo.bi-combo-popup + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(180deg);
-  -moz-transform: rotate(180deg);
-  transform: rotate(180deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
-.bi-single-select-combo .bi-combo + .bi-trigger-icon-button .x-icon {
-  -webkit-transform: rotate(0deg);
-  -moz-transform: rotate(0deg);
-  transform: rotate(0deg);
-  -webkit-transition: transform 0.3s ease;
-  -moz-transition: transform 0.3s ease;
-  -o-transition: transform 0.3s ease;
-  transition: transform 0.3s ease;
-}
diff --git a/src/css/widget/singleslider/singlelider.css b/src/css/widget/singleslider/singlelider.css
deleted file mode 100644
index 89c22bab6..000000000
--- a/src/css/widget/singleslider/singlelider.css
+++ /dev/null
@@ -1,7 +0,0 @@
-.bi-single-slider-label {
-  min-height: 50px;
-}
-
-.bi-single-slider-normal {
-  min-height: 30px;
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diff --git a/src/css/widget/singleslider/singleslider.css b/src/css/widget/singleslider/singleslider.css
deleted file mode 100644
index 35dad715e..000000000
--- a/src/css/widget/singleslider/singleslider.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.bi-single-slider {
-  min-height: 50px;
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diff --git a/src/css/widget/singleslider/slider/widget.css b/src/css/widget/singleslider/slider/widget.css
deleted file mode 100644
index bae0740e9..000000000
--- a/src/css/widget/singleslider/slider/widget.css
+++ /dev/null
@@ -1,46 +0,0 @@
-.bi-single-slider-button .slider-button {
-  cursor: ew-resize;
-  border-width: 2px;
-  border-style: solid;
-  -webkit-border-radius: 8px;
-  -moz-border-radius: 8px;
-  border-radius: 8px;
-  background-color: #ffffff;
-  height: 12px;
-  width: 12px;
-  top: 6px;
-  left: -8px;
-}
-.bi-single-slider-button .slider-button:hover,
-.bi-single-slider-button .slider-button.hover {
-  -webkit-border-radius: 10px;
-  -moz-border-radius: 10px;
-  border-radius: 10px;
-  background-color: #f7f8fa;
-  width: 16px;
-  height: 16px;
-  top: 4px;
-  left: -10px;
-}
-.bi-single-slider-button .slider-button.disabled {
-  border-color: #d0d4da;
-}
-.bi-single-slider-button .slider-button.disabled:hover,
-.bi-single-slider-button .slider-button.disabled.hover {
-  background-color: #f7f8fa;
-  width: 12px;
-  height: 12px;
-  top: 6px;
-  left: -8px;
-}
-.bi-theme-dark .bi-single-slider-button .slider-button {
-  background-color: #20263b;
-}
-.bi-theme-dark .bi-single-slider-button .slider-button:hover,
-.bi-theme-dark .bi-single-slider-button .slider-button.hover {
-  background-color: #191b2b;
-}
-.bi-theme-dark .bi-single-slider-button .slider-button.disabled:hover,
-.bi-theme-dark .bi-single-slider-button .slider-button.disabled.hover {
-  background-color: #191b2b;
-}
diff --git a/src/css/widget/singleslider/track/widget.css b/src/css/widget/singleslider/track/widget.css
deleted file mode 100644
index f001b0439..000000000
--- a/src/css/widget/singleslider/track/widget.css
+++ /dev/null
@@ -1,31 +0,0 @@
-.bi-slider-track .gray-track {
-  background-color: rgba(61, 77, 102, 0.1);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#1a3d4d66,endColorstr=#1a3d4d66);
-  -webkit-border-radius: 3px;
-  -moz-border-radius: 3px;
-  border-radius: 3px;
-}
-.bi-slider-track .blue-track {
-  -webkit-border-radius: 3px;
-  -moz-border-radius: 3px;
-  border-radius: 3px;
-}
-.bi-slider-track .disabled-blue-track {
-  background-color: #d0d4da;
-  -webkit-border-radius: 3px;
-  -moz-border-radius: 3px;
-  border-radius: 3px;
-}
-.bi-theme-dark .bi-slider-track .gray-track {
-  background-color: rgba(214, 224, 220, 0.1);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#1ad6e0dc,endColorstr=#1ad6e0dc);
-  -webkit-border-radius: 3px;
-  -moz-border-radius: 3px;
-  border-radius: 3px;
-}
-.bi-theme-dark .bi-slider-track .disabled-blue-track {
-  background-color: #606479;
-  -webkit-border-radius: 3px;
-  -moz-border-radius: 3px;
-  border-radius: 3px;
-}
diff --git a/src/css/widget/singletree/combo.css b/src/css/widget/singletree/combo.css
deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/timecombo/timecombo.css b/src/css/widget/timecombo/timecombo.css
deleted file mode 100644
index 487b89486..000000000
--- a/src/css/widget/timecombo/timecombo.css
+++ /dev/null
@@ -1,4 +0,0 @@
-.bi-time-trigger .show-text {
-  background-color: rgba(255, 255, 255, 0);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#00ffffff,endColorstr=#00ffffff);
-}
diff --git a/src/css/widget/timeinterval/dateinterval.css b/src/css/widget/timeinterval/dateinterval.css
deleted file mode 100644
index 4184696ec..000000000
--- a/src/css/widget/timeinterval/dateinterval.css
+++ /dev/null
@@ -1,6 +0,0 @@
-.bi-date-interval.time-error .bi-input {
-  color: #e65251;
-}
-.bi-date-interval.time-error .sign-editor-text {
-  color: #e65251;
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diff --git a/src/css/widget/timeinterval/timeinterval.css b/src/css/widget/timeinterval/timeinterval.css
deleted file mode 100644
index e208629b1..000000000
--- a/src/css/widget/timeinterval/timeinterval.css
+++ /dev/null
@@ -1,11 +0,0 @@
-.bi-time-interval .bi-date-time-trigger {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
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deleted file mode 100644
index e69de29bb..000000000
diff --git a/src/css/widget/year/popup.css b/src/css/widget/year/popup.css
deleted file mode 100644
index c3443d0db..000000000
--- a/src/css/widget/year/popup.css
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deleted file mode 100644
index 07eb6b523..000000000
--- a/src/css/widget/year/trigger.css
+++ /dev/null
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index e69de29bb..000000000
diff --git a/src/css/widget/yearmonthinterval/yearmonthinterval.css b/src/css/widget/yearmonthinterval/yearmonthinterval.css
deleted file mode 100644
index 0241166ca..000000000
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deleted file mode 100644
index c2d57c29c..000000000
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deleted file mode 100644
index 0747b9182..000000000
--- a/ui/css/background.css
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diff --git a/ui/css/font.css b/ui/css/font.css
deleted file mode 100644
index d7e4e85b1..000000000
--- a/ui/css/font.css
+++ /dev/null
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diff --git a/ui/css/icon.css b/ui/css/icon.css
deleted file mode 100644
index a62fd6e72..000000000
--- a/ui/css/icon.css
+++ /dev/null
@@ -1,366 +0,0 @@
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-.slider-icon:hover .x-icon.hack,
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-.slider-icon.disabled .x-icon {
-  display: block;
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-  background-size: contain;
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-.slider-icon.disabled .x-icon.hack {
-  background: url('resources?path=/com/fr/web/ui/images/1x/icon/slider_normal_small.png') no-repeat center center;
-}
-.auto-color-icon .x-icon {
-  display: block;
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-.auto-color-icon .x-icon.hack {
-  background: url('resources?path=/com/fr/web/ui/images/1x/icon/auto_normal.png') no-repeat center center;
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-.auto-color-icon.active .x-icon {
-  display: block;
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-.auto-color-icon.active .x-icon.hack {
-  background: url('resources?path=/com/fr/web/ui/images/1x/icon/auto_select.png') no-repeat center center;
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-.auto-color-icon.disabled .x-icon {
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-.auto-color-icon.disabled .x-icon.hack {
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-.trans-color-icon .x-icon {
-  display: block;
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-.trans-color-icon .x-icon.hack {
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-.trans-color-icon.active .x-icon {
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-.trans-color-icon.active .x-icon.hack {
-  background: url('resources?path=/com/fr/web/ui/images/1x/icon/trans_select.png') no-repeat center center;
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-.trans-color-icon.disabled .x-icon {
-  display: block;
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-.trans-color-icon.disabled .x-icon.hack {
-  background: url('resources?path=/com/fr/web/ui/images/1x/icon/trans_disable.png') no-repeat center center;
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diff --git a/ui/css/size.css b/ui/css/size.css
deleted file mode 100644
index b03b292c2..000000000
--- a/ui/css/size.css
+++ /dev/null
@@ -1,18 +0,0 @@
-.icon-size-12 .b-font {
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-.icon-size-16 .b-font {
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-.icon-size-24 .b-font {
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-.icon-size-40 .b-font {
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-.icon-size-50 .b-font {
-  font-size: 50px;
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-.icon-size-70 .b-font {
-  font-size: 70px;
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diff --git a/ui/css/var.css b/ui/css/var.css
deleted file mode 100644
index e69de29bb..000000000