CSS3 border-radius - 指定每个圆角

编辑代码
<!DOCTYPE html>
<html>
<head>
<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>

</body>
</html>