AMBARI-4220. Padding for config override properties. (sposetti via yusaku)

ambari-web/app/styles/application.less

@@ -648,6 +648,8 @@ h1 {
     .service-config-section{
       .overridden-property{
         background-color: rgba(211, 237, 247, 0.39);
+        padding: 5px;
+        margin-left: -5px;
       }
     }
     .entry-row {