diff --git a/src/assets/css/index.scss b/src/assets/css/index.scss
index f5a5bea..2897928 100644
--- a/src/assets/css/index.scss
+++ b/src/assets/css/index.scss
@@ -906,4 +906,14 @@ body {
   bottom: 10px;
   z-index: 1000;
   color: #000;
+  .zoom-control-inner {
+    border: 1px solid #666666;
+    border-top: none;
+    color: #333333;
+    font-size: 10px;
+    text-align: center;
+    margin: 1px;
+    will-change: contents, width;
+    transition: all 0.25s;
+  }
 }