三中的使用方法的简单实例如下:
行内样式:
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<!doctype html><html>
<head>
<meta charset="UTF-8">
<title>css行内样式</title>
</head>
<body>
<div style="width:100px;height:100px;background:red;"></div>>
</body>
</html>
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内嵌样式:
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!doctype html><html>
<head>
<meta charset="UTF-8">
<title>css内嵌样式</title>
</head>
<body>
<style type="text/css">
#div{width:100px;height:100px;background:red;}</style>
<div id="div"></div>>
</body>
</html>
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外部式:
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<!doctype html><html>
<head>
<meta charset="UTF-8">
<title>css内嵌样式</title>
<link rel="stylesheet" type="text/css" href="ccss.css">
</head>
<body>
<div id="div"></div>>
</body>
</html>
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css文件
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#div{width:100px;height:100px;background:red;}
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