<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
div {
height: 100px;
width: 17%;
background: #ccc;
border: 4px solid #1c87c9;
-webkit-border-radius: 50%;
-moz-border-radius: 50%;
border-radius: 50%;
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
</style>
</head>
<body>
<h2>Border-radius example</h2>
<div></div>
</body>
</html>