<!doctype html>
<html>
<head>
<title>添加顏色</title>
<meta charset="utf-8" />
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style type="text/css">
h1,p{
color: black;
}
h1{
background-color: rgba(75,223,148,0.5); //a 透明度
}
p{
background-color: Tomato;
}
</style>
</head>
<body>
<div>
<h1>Example Domain</h1>
<p>This domain is established to be used for illustrative examples in documents. You may use this
domain in examples without prior coordination or asking for permission.</p>
<a href="http://www.iana.org/domains/example">More information...</a>
</div>
</body>
</html>
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