webui: group-listing box style added

one/static/box.less

@@ -449,3 +449,17 @@ table {
     }
     }
 }
 }
 
 
+#groups {
+    .wm {
+        .summary {
+            .name {
+                background-image: url(icons/users.png);
+            }
+        }
+    }
+    #new-group {
+        .summary .name {
+            background-image: url(icons/user--plus.png);
+        }
+    }
+}