diff --git a/src/css/base/layer/panel.css b/src/css/base/layer/panel.css
index 3759bdaf7..7f3586621 100644
--- a/src/css/base/layer/panel.css
+++ b/src/css/base/layer/panel.css
@@ -4,7 +4,7 @@
   border-radius: 2px;
 }
 .bi-panel .panel-title {
-  background-color: #F2F4F7;
+  background-color: #f2f4f7;
 }
 .bi-panel .panel-title .panel-title-text {
   cursor: text;
diff --git a/src/css/base/pager/pager.css b/src/css/base/pager/pager.css
index b28d24360..585c51289 100644
--- a/src/css/base/pager/pager.css
+++ b/src/css/base/pager/pager.css
@@ -1,17 +1,3 @@
-.bi-all-count-pager .all-pager-prev {
-  font-size: 16px;
-}
-.bi-all-count-pager .all-pager-next {
-  font-size: 16px;
-}
-
-.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;
diff --git a/src/css/base/single/tip/tip.css b/src/css/base/single/tip/tip.css
index e5ddf3362..bc771b53d 100644
--- a/src/css/base/single/tip/tip.css
+++ b/src/css/base/single/tip/tip.css
@@ -1,70 +1,3 @@
-.bi-bubble {
-  font-size: 14px;
-}
-.bi-bubble .bubble-text {
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
-.bi-bubble .bubble-error {
-  background: #ffecec;
-  color: #ff4949;
-}
-.bi-bubble .bubble-common {
-  background: #eaf2fd;
-  color: #3685f2;
-}
-.bi-bubble .bubble-success {
-  background: #e1f4e7;
-  color: #5cb75d;
-}
-.bi-bubble .bubble-warning {
-  background: #feeed7;
-  color: #faaa39;
-}
-
 .bi-tip {
   position: fixed !important;
 }
-
-.bi-toast {
-  font-size: 14px;
-  color: #ffffff;
-  max-width: 400px;
-  min-width: 150px;
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-}
-.bi-toast.toast-success {
-  background: #58cc7d;
-}
-.bi-toast.toast-warning {
-  background: #faaa39;
-}
-.bi-toast.toast-error {
-  background: #ff4949;
-}
-.bi-toast.toast-normal {
-  background: #3f8ce8;
-}
-.bi-toast .toast-icon {
-  font-size: 16px;
-}
-
-.bi-tooltip {
-  max-width: 250px;
-  -webkit-border-radius: 2px;
-  -moz-border-radius: 2px;
-  border-radius: 2px;
-  font-size: 12px;
-  color: #ffffff;
-}
-.bi-tooltip.tooltip-success {
-  background: #647185;
-  border: 1px solid #647185;
-}
-.bi-tooltip.tooltip-warning {
-  background: #ff4949;
-  border: 1px solid #e85050;
-}
diff --git a/src/css/base/table/table.css b/src/css/base/table/table.css
index 331c660d1..abfd5a942 100644
--- a/src/css/base/table/table.css
+++ b/src/css/base/table/table.css
@@ -1,169 +1,3 @@
-.bi-collection-table-cell {
-  -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)*/
-}
-.bi-collection-table-cell.first-row {
-  border-top: 1px solid #d4dadd;
-}
-.bi-collection-table-cell.first-col {
-  border-left: 1px solid #d4dadd;
-}
-.bi-theme-dark .bi-collection-table-cell.first-row {
-  border-top: 1px solid #525466;
-}
-.bi-theme-dark .bi-collection-table-cell.first-col {
-  border-left: 1px solid #525466;
-}
-
-.bi-quick-collection-table > div > .bi-collection {
-  overflow: hidden !important;
-  overflow-x: hidden !important;
-  overflow-y: hidden !important;
-}
-
-.bi-grid-table-cell {
-  -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)*/
-}
-.bi-grid-table-cell.first-row {
-  border-top: 1px solid #d4dadd;
-}
-.bi-grid-table-cell.first-col {
-  border-left: 1px solid #d4dadd;
-}
-.bi-theme-dark .bi-grid-table-cell.first-row {
-  border-top: 1px solid #525466;
-}
-.bi-theme-dark .bi-grid-table-cell.first-col {
-  border-left: 1px solid #525466;
-}
-
-.scrollbar-layout-main {
-  box-sizing: border-box;
-  outline: none;
-  overflow: hidden;
-  position: absolute;
-  transition-duration: 250ms;
-  transition-timing-function: ease;
-  user-select: none;
-  background-color: rgba(102, 102, 102, 0.05);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#0d666666,endColorstr=#0d666666);
-  border-radius: 5px;
-}
-.bi-theme-dark .scrollbar-layout-main {
-  background-color: rgba(204, 204, 204, 0.05);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#0dcccccc,endColorstr=#0dcccccc);
-}
-.scrollbar-layout-main-vertical {
-  bottom: 0;
-  right: 0;
-  top: 0;
-  transition-property: background-color;
-  width: 10px;
-}
-.scrollbar-layout-main-vertical.public-scrollbar-main-active,
-.scrollbar-layout-main-vertical:hover {
-  width: 10px;
-}
-.scrollbar-layout-main-horizontal {
-  bottom: 0;
-  height: 10px;
-  left: 0;
-  transition-property: background-color;
-  background-color: rgba(102, 102, 102, 0.05);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#0d666666,endColorstr=#0d666666);
-}
-.bi-theme-dark .scrollbar-layout-main-horizontal {
-  background-color: rgba(204, 204, 204, 0.05);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#0dcccccc,endColorstr=#0dcccccc);
-}
-/* Touching the scroll-track directly makes the scroll-track bolder */
-.scrollbar-layout-main-horizontal.public-scrollbar-main-active,
-.scrollbar-layout-main-horizontal:hover {
-  height: 10px;
-}
-.scrollbar-layout-face {
-  left: 0;
-  overflow: hidden;
-  position: absolute;
-  z-index: 1;
-}
-/**
- * This selector renders the "nub" of the scrollface. The nub must
- * be rendered as pseudo-element so that it won't receive any UI events then
- * we can get the correct `event.offsetX` and `event.offsetY` from the
- * scrollface element while dragging it.
- */
-.scrollbar-layout-face:after {
-  border-radius: 6px;
-  content: '';
-  display: block;
-  position: absolute;
-  transition: background-color 250ms ease;
-}
-.scrollbar-layout-face-horizontal {
-  bottom: 0;
-  left: 0;
-  top: 0;
-}
-.scrollbar-layout-face-horizontal:after {
-  bottom: 2px;
-  left: 0;
-  top: 2px;
-  width: 100%;
-}
-.scrollbar-layout-face-vertical {
-  left: 0;
-  right: 0;
-  top: 0;
-}
-.scrollbar-layout-face-vertical:after {
-  height: 100%;
-  left: 2px;
-  right: 2px;
-  top: 0;
-}
-/**
- * scrollbars.
- */
-/* Touching the scroll-track directly makes the scroll-track bolder */
-.public-scrollbar-face:after {
-  background-color: rgba(102, 102, 102, 0.3);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#4d666666,endColorstr=#4d666666);
-}
-.bi-theme-dark .public-scrollbar-face:after {
-  background-color: rgba(204, 204, 204, 0.3);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#4dcccccc,endColorstr=#4dcccccc);
-}
-.public-scrollbar-main:hover .public-scrollbar-face:after,
-.public-scrollbar-main-active .public-scrollbar-face:after,
-.public-scrollbar-face-active:after {
-  background-color: rgba(102, 102, 102, 0.7);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#b3666666,endColorstr=#b3666666);
-}
-.bi-theme-dark .public-scrollbar-main:hover .public-scrollbar-face:after,
-.bi-theme-dark .public-scrollbar-main-active .public-scrollbar-face:after,
-.bi-theme-dark .public-scrollbar-face-active:after {
-  background-color: rgba(204, 204, 204, 0.7);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#b3cccccc,endColorstr=#b3cccccc);
-}
-.horizontal-scrollbar {
-  bottom: 0;
-  position: absolute;
-}
-
 .bi-table > .first-col {
   border-left: none;
 }
@@ -242,33 +76,3 @@
   border-top: 1px solid #525466;
   border-left: 1px solid #525466;
 }
-
-.bi-resizable-table-cell .resizable-table-cell-resizer-container {
-  cursor: ew-resize;
-  z-index: 1;
-}
-.bi-resizable-table-cell .resizable-table-cell-resizer-container:hover .resizable-table-cell-resizer-knob,
-.bi-resizable-table-cell .resizable-table-cell-resizer-container.dragging .resizable-table-cell-resizer-knob {
-  background-color: #3f8ce8;
-}
-.bi-resizable-table-cell .resizable-table-cell-resizer-container.suitable .resizable-table-cell-resizer-knob {
-  background-color: #58cc7d;
-}
-
-.bi-resizable-table .resizable-table-resizer {
-  cursor: ew-resize;
-  z-index: 1;
-  background-color: #3f8ce8;
-}
-.bi-resizable-table .resizable-table-resizer.suitable {
-  background-color: #58cc7d;
-}
-.bi-resizable-table .resizable-table-region-resizer {
-  cursor: ew-resize;
-  z-index: 1;
-}
-.bi-resizable-table .resizable-table-region-resizer:hover .resizable-table-region-resizer-knob,
-.bi-resizable-table .resizable-table-region-resizer.dragging .resizable-table-region-resizer-knob {
-  background-color: #3f8ce8;
-}
-
diff --git a/src/css/base/trigger/trigger.css b/src/css/base/trigger/trigger.css
index acc7552a7..51c60b492 100644
--- a/src/css/base/trigger/trigger.css
+++ b/src/css/base/trigger/trigger.css
@@ -1,17 +1,3 @@
-
-
 .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/core/utils/common.css b/src/css/core/utils/common.css
index 7386469ff..58e6b2cdd 100644
--- a/src/css/core/utils/common.css
+++ b/src/css/core/utils/common.css
@@ -57,7 +57,7 @@ textarea {
   color: #3d4d66;
 }
 .bi-theme-dark .bi-background {
-  background-color: #191B2B;
+  background-color: #191b2b;
   color: #cccccc;
 }
 .bi-theme-dark .bi-background .bi-input {
diff --git a/src/css/resource/font.css b/src/css/resource/font.css
index 3a2ffee80..7a14efa24 100644
--- a/src/css/resource/font.css
+++ b/src/css/resource/font.css
@@ -1,6 +1,7 @@
 @font-face {
   font-family: 'bi';
   src: url('font/iconfont.eot'), /* IE6-IE8 */ url('font/iconfont.woff') format('woff'), /* chrome、firefox */ url('font/iconfont.ttf') format('truetype'), /* chrome、firefox、opera、Safari, Android, iOS 4.2+*/ url('font/iconfont.svg#svgFontName') format('svg');
+  
   /*  iOS 4.1- */
 }
 .b-font {
diff --git a/src/css/theme/dark.css b/src/css/theme/dark.css
index d8f0e5f38..7349cdeef 100644
--- a/src/css/theme/dark.css
+++ b/src/css/theme/dark.css
@@ -1,5 +1,5 @@
 .bi-theme-dark {
-  background-color: #191B2B;
+  background-color: #191b2b;
   color: #cccccc;
 }
 .bi-theme-dark .bi-input {
diff --git a/src/css/widget/exceltable/exceltable.css b/src/css/widget/exceltable/exceltable.css
index ef99484d4..4f6dc3b7a 100644
--- a/src/css/widget/exceltable/exceltable.css
+++ b/src/css/widget/exceltable/exceltable.css
@@ -1,8 +1,3 @@
-
-.bi-excel-table-header-cell {
-  font-weight: bold;
-}
-
 .bi-excel-table > div.bottom-right > div > div > table {
   border-right: 1px solid #d4dadd;
 }
diff --git a/src/css/widget/previewtable/previewtable.css b/src/css/widget/previewtable/previewtable.css
index 043b8d6cf..679dff637 100644
--- a/src/css/widget/previewtable/previewtable.css
+++ b/src/css/widget/previewtable/previewtable.css
@@ -1,14 +1,3 @@
-.bi-preview-table-cell {
-  min-height: 25px;
-  min-width: 80px;
-}
-
-.bi-preview-table-header-cell {
-  font-weight: bold;
-  min-height: 25px;
-  min-width: 80px;
-}
-
 .bi-preview-table {
   -webkit-user-select: text;
   -khtml-user-select: text;
@@ -23,5 +12,5 @@
 }
 .bi-theme-dark .bi-preview-table > div > table > thead > tr.odd,
 .bi-theme-dark .bi-preview-table > div > div > div > table > thead > tr.odd {
-  background-color: #191B2B;
+  background-color: #191b2b;
 }