App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<html>
<head>
<style>
body
{
font-size:50px;
}
</style>
</head>
<body>
<h1>This is a header (headers are not affected by the font-size property)</h1>
<p>This is a paragraph.</p>
</body>
</html>
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