bug5491

src/css/reset.less

@@ -68,12 +68,15 @@ table {
   width: 100%;
   border:1px solid #E2E5EF;
   border-collapse: collapse;
-  thead{
+  thead {
     background: #EFF0F9;
   }
   tr:nth-child(2n){
     background: #EFF1F6;
   }
+  thead tr{
+    background: #EFF0F9!important ;
+  }
   th,td{
     height: @trHeight;
     box-sizing: border-box;