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css四可见,部分可见和重叠半透明

2016-05-26 11:28 661 查看

<html>
<head>
<title>javascript</title>
<style type="text/css">
div.window{
position: absolute;
width: 300px;height:200px;
border: 3px outset gray;
}
div.titlebar{
position:absolute;
top:0px;height:18px;
width:290px;
background-color:#aaa;
border-bottom:groove gray 2px;
padding:3px 5px 2px 5px;
font:bold 11pt sans-serif;
}
div.content{
position:absolute;
top:25px;
height:165px;
width:290;
padding:5px;
overflow:auto;
background-color:#fff;
}
div.translucent{
opacity:.75;
filter:alpha(opacity=75);
}
</style>
<head>
<body>
<div class="window" style="left: 10px;top: 10px; z-index:10;">
<div class="titlebar">Test Window</div>
<div>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>
1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br></div>
</div>
<div class="window" style="left: 75px;top: 110px; z-index:20;">
<div class="titlebar">Anther window</div>
<div class="content translucent" style="background-color:#ccc; font-weight:bold;">
this is another window. its <tt>z-index</tt>puts it on top of the other one css
styles mke its content area translucent,in browsers that support that
</div>
</div>
<body>
</html>

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