实例如下:
<!DOCTYPE html>
<html>
<head>
<style>
p
{
border:2px solid;
padding:10px;
background:#dddddd;
border-top-left-radius:1em;
border-top-right-radius:1em;
border-bottom-right-radius:1em;
border-bottom-left-radius:1em;
-webkit-border-top-left-radius:1em; /* Safari */
}
</style>
</head>
<body>
<p>border-top-left-radius 属性允许您向左上角添加圆角边框。</p>
</body>
</html>
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