webui: fix action glitches

one/static/box.less

@@ -209,6 +209,7 @@
             z-index: 2;
             z-index: 2;
             position: relative;
             position: relative;
             a{
             a{
+                margin: 2px 0;
                 height: 16px;
                 height: 16px;
                 width: 16px;
                 width: 16px;
                 display: block;
                 display: block;