ux(): fixed panel margin

public/sass/pages/_dashboard.scss

@@ -13,10 +13,6 @@
   color: $variable;
 }
 
-.grafana-row {
-  margin-bottom: 5px;
-}
-
 .row-tab {
   .dropdown-menu-right {
     top: 0;
@@ -121,7 +117,7 @@ div.flot-text {
 }
 
 .panel-margin {
-  margin: 0 0.4rem 0.4rem 0.4rem;
+  margin: 0 0.4rem 0.8rem 0.4rem;
   display: block;
 }