版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/qq_20757489/article/details/88079608
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>半圆角</title>
<style type="text/css">
div{
width: 100px;
height: 50px;
background-color: blue;
border-radius: 100px 100px 0 0;
}
</style>
</head>
<body>
<div></div>
</body>
</html>结果如下：
