案例：CSS案例     状态：可编辑再运行    进入竖版
 运行结果　
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html>
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<head>
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<style>
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input[type="text"]
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{
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  width:150px;
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  display:block;
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  margin-bottom:10px;
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  background-color:yellow;
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  font-family: Verdana, Arial;
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}
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​
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input[type="button"]
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{
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  width:120px;
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  margin-left:35px;
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  display:block;
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  font-family: Verdana, Arial;
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}
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</style>
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</head>
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<body>
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​
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<form name="input" action="" method="get">
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<input type="text" name="Name" value="Bill" size="20">
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<input type="text" name="Name" value="Gates" size="20">
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<input type="button" value="Example Button">
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​
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</form>
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</body>
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</html>
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​