diff --git a/src/index.html b/src/index.html
index 9c940ec..bb1532e 100644
--- a/src/index.html
+++ b/src/index.html
@@ -8,11 +8,11 @@
     <title>Click and hold buttons</title>
 </head>
 <body>
-    <div class="transition click-and-hold" tabindex="0">
+    <div class="transition click-and-hold" tabindex="0" aria-label="click and hold button" role="application">
         <div class="btn-fill"></div>
         <p>Animation using CSS transition</p>
     </div>
-    <div class="animation-frame click-and-hold" tabindex="0">
+    <div class="animation-frame click-and-hold" tabindex="0" aria-label="click and hold button" role="application">
         <div class="btn-fill"></div>
         <p>Animation using request animation frame</p>
     </div>
