App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>W3Cschool教程(w3cschool.cn)</title> 
<style>
    p 
    {
        border:1px solid red;
        outline:green dotted thick;
    }
</style>
</head>
<body>
    <p><b>注意:</b> 如果只有一个!DOCTYPE指定IE8支持 outline属性。</p>
</body>
</html>
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