diff --git a/20200204/css/style.css b/20200204/css/style.css
index ff0f110..f53536a 100644
--- a/20200204/css/style.css
+++ b/20200204/css/style.css
@@ -22,6 +22,10 @@
   user-select: none;
 }
 
+#box1:active {
+  background: orange;
+}
+
 #box3 {
   background: pink;
   width: 100px;
diff --git a/20200204/index.html b/20200204/index.html
index ece0431..d6e68c3 100644
--- a/20200204/index.html
+++ b/20200204/index.html
@@ -7,7 +7,7 @@
 </head>
 <body>
   <div id="container">
-    <div id="box1">Hello</div>
+    <div id="box1" tabindex="0">Hello</div>
     <div id="box2">1</div>
     <div id="box3">Dice!</div>
   </div>
