diff --git a/basic-example/javascript.html b/basic-example/javascript.html
index 6686498..3ebea11 100644
--- a/basic-example/javascript.html
+++ b/basic-example/javascript.html
@@ -20,7 +20,7 @@
   </head>
   <body>
     <div>
-      <div style="text-align: center">JavaScript</div>
+      <div style="text-align: center; height: 24px">JavaScript</div>
       <div id="js" style="width: 400px; height: 400px; margin: auto">
         <div class="loading"></div>
       </div>
