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實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<html>
<head>
<style>
#myHeader
{
color:red;
text-align:center;
}
</style>
</head>
<body>
<h1 id="myHeader">W3CSchoolW3Cschool教程非常棒!</h1>
</body>
</html>
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