issue #12175 (#12220)

this should fix uneven styling of widgets. could not monitor any unwanted differences, but it is possible.

plugins/Dashboard/stylesheets/widget.less

@@ -87,6 +87,7 @@
         /** We do not want to show a material-card in a widget which is already a card */
         .card {
             box-shadow: 0 0;
+            padding: 0 10px;
 
             .card-content {
                 padding: 0;
@@ -96,6 +97,9 @@
         .jqplot-graph {
             margin-top: 6px;
         }
+        .sparkline {
+            padding: 0 10px;
+        }
     }
 
     .widgetContent.hidden {