Improve operations design

Author: SamyPesse

client/resources/stylesheets/ui/operations.less

@@ -11,7 +11,8 @@
     .operation-item {
         padding: 5px 10px;
         background: #ffffd6;
-        border-top: 1px solid #ccc;
+        border: 1px solid #ccc;
+        border-bottom: 0px;
         cursor: pointer;
         text-overflow: ellipsis;
         overflow: hidden;