简单div背景颜色

2015/12/14 37244

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>div背景颜色</title>
<link href="div_back.css" type="text/css" rel="stylesheet">
</head>
<body>
<div id="div_back">此处显示div背景颜色</div>
</body>
</html>