diff --git a/dev.less b/dev.less
index 58e69db..e0f1822 100644
--- a/dev.less
+++ b/dev.less
@@ -125,6 +125,7 @@ display: block !important;
         }
         th{
             z-index: 150;
+            background-color: #f0f0f0;
         }
         tbody th{
             z-index: 100;
@@ -134,10 +135,9 @@ display: block !important;
             color:#fff;
             border-color: #fff;
         }
-        thead tr:nth-child(2) th{
-            background-color: #f0f0f0;
+        /*thead tr:nth-child(2) th{
             border-color: #fff;
-        }
+        }*/
 
         thead th:nth-child(1){
             z-index: 200;