💄 Emphasize selected buttons

Author: yinanazhou

assets/style.css

@@ -389,7 +389,7 @@ a:hover {
     border: 1px solid #c6c6c6;
 }
 .side-panel-btn.is-active {
-    border: 1px solid #7cb1b7;
+    border: 2px solid #7cb1b7;
 }
 .panel-tabs {
     border: none !important;