所属分类：web前端开发
示例
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QQ登录<html>
<head>
</head>
<body>
<p style = "padding: 25px; border:2px solid orange;">
This is a paragraph.
</p>
<p style = "padding:20px 4%; border:2px solid red;">
This is another paragraph.
</p>
<p style = "padding: 15px 3% 10px; border:1px solid maroon;">
Top padding will be 15px, left and right padding will be 3% of the total width of the document, bottom padding will be 10px
</p>
</body>
</html>