<html>
<head>
</head>
<body>
<div></div>
</body>
</html>
div {
width: 100px;
height: 100px;
background: orange;
}
div:hover {
border-radius: 50%;
background: skyblue;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.