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Example analysis of how to set div background transparent style with CSS

黄舟
Release： 2017-07-20 10:24:31
Original
1760 people have browsed it

pBackground transparent style:

Style code: 

.alert{filter:alpha(opacity=100); /* IE */ -moz-opacity:1.0; /* Moz + FF */
opacity: 1.0; height:300px; width:500px; background:#ccc; left:50%; 
top:50%;margin-top:-150px;margin-left:-250px;position:absolute;z-index:99; 
text-align:center; padding:20px;}
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Usage: 

<p class=”alert”>
背景透明
</p>
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html code: 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 
Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-
equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css">
.alert
{filter:alpha(opacity=100); /* IE */ -moz-opacity:1.0; /* Moz + FF */ opacity: 1.0; height:300px; width:500px; background:#ccc; left:50%; 
top:50%;margin-top:-150px;margin-left:
-250px;position:absolute;z-index:99; text-align:center; padding:20px}
</style>
</head>
<body>
<p class="alert"><a href="http://www.100sucai.com">www.100sucai.com</a></p>
</body>
</html>
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