<![CDATA[
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>테두리 둥글게 만들기</title>
<style>
div {
background: #cbeefe;
width: 100px;
height: 100px;
line-height: 100px;
text-align: center;
}
</style>
</head>
<body>
<div style="border-radius: 10px">10px</div><br>
<div style="border-radius: 20px 40px">20px 40px</div><br>
<div style="border-radius: 20px 80px">20px 80px</div><br>
<div style="border-radius: 50%">50%</div>
</body>
</html>
]]>