Adjusted margins

src/app/panels/histogram/module.html

@@ -18,6 +18,8 @@
     }
     .histogram-options {
       padding: 5px;
+      margin-right: 15px;
+      margin-bottom: 0px;
     }
     .histogram-options label {
       margin: 0px 0px 0px 10px !important;