no borders when add or edit

web/css/main.css

@@ -439,8 +439,6 @@ form {
 .data-add {
     margin: 0;
     background-color: #f7f6ed;
-    border-left: 1px solid #e9e9e9;
-    border-right: 1px solid #e9e9e9;
     border-bottom: 1px solid #e9e9e9;
 }