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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>Wfuyu教程(wfuyu.com)</title> 
<style> 
#rcorners4 {
    border-radius: 15px 50px 30px 5px;
    background: #8AC007;
    padding: 20px; 
    width: 200px;
    height: 150px; 
}
​
#rcorners5 {
    border-radius: 15px 50px 30px;
    background: #8AC007;
    padding: 20px; 
    width: 200px;
    height: 150px; 
}
​
#rcorners6 {
    border-radius: 15px 50px;
    background: #8AC007;
    padding: 20px; 
    width: 200px;
    height: 150px; 
} 
</style>
</head>
<body>
​
<p>四个值 - border-radius: 15px 50px 30px 5px:</p>
<p id="rcorners4"></p>
​
<p>三个值 - border-radius: 15px 50px 30px:</p>
<p id="rcorners5"></p>
​
<p>两个值 - border-radius: 15px 50px:</p>
<p id="rcorners6"></p>
​