DEC-6986 fix:ie10以下无背景会鼠标穿透

dist/2.0/fineui.css

@@ -2556,6 +2556,8 @@ textarea {
   position: fixed !important;
   line-height: 0;
   z-index: 10000000;
+  background-color: rgba(255, 255, 255, 0);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#00ffffff,endColorstr=#00ffffff);
 }
 .bi-bubble-combo .bubble-combo-triangle-left {
   z-index: 1;

dist/base.css

@@ -400,6 +400,8 @@
   position: fixed !important;
   line-height: 0;
   z-index: 10000000;
+  background-color: rgba(255, 255, 255, 0);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#00ffffff,endColorstr=#00ffffff);
 }
 .bi-bubble-combo .bubble-combo-triangle-left {
   z-index: 1;

dist/bundle.css

@@ -2556,6 +2556,8 @@ textarea {
   position: fixed !important;
   line-height: 0;
   z-index: 10000000;
+  background-color: rgba(255, 255, 255, 0);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#00ffffff,endColorstr=#00ffffff);
 }
 .bi-bubble-combo .bubble-combo-triangle-left {
   z-index: 1;

dist/fineui.css

@@ -2556,6 +2556,8 @@ textarea {
   position: fixed !important;
   line-height: 0;
   z-index: 10000000;
+  background-color: rgba(255, 255, 255, 0);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#00ffffff,endColorstr=#00ffffff);
 }
 .bi-bubble-combo .bubble-combo-triangle-left {
   z-index: 1;

src/css/base/combo/combo.css

@@ -2,6 +2,8 @@
   position: fixed !important;
   line-height: 0;
   z-index: 10000000;
+  background-color: rgba(255, 255, 255, 0);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#00ffffff,endColorstr=#00ffffff);
 }
 .bi-bubble-combo .bubble-combo-triangle-left {
   z-index: 1;

src/less/base/combo/combo.bubble.less

@@ -6,6 +6,8 @@
     // 消除祖先节点设置的line-height:normal对空白节点的行高影响
     line-height: 0;
     .z-index-layer(@zIndex-popup);
+    //  ie10一下无背景色会鼠标穿透
+    .background-color(@background-color-default, 0);
   }
   & .bubble-combo-triangle-left {
     z-index: 1;