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@wuliupo
Created November 3, 2016 02:18
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CSS percentage of margin & padding
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS margin percentage</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<style>
.container{margin:20px auto;padding:20px;width:600px;height:200px;border:1px solid #CCC;}
.inner{height:50%;background-color:#F90;margin-top:10%;padding:10%;margin-left:10%;}
</style>
</head>
<body>
<div class="container">
<div class="inner">
CSS 中,margin-top | margin-bottom | padding-top | padding-bottom 的百分比值参照的不是容器的高度,而是宽度,宽度,宽度!!!是他自己的宽度~
无论垂直还是水平,百分比值始终参考宽度。
</div>
</div>
</body>
</html>
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