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CSS Layout instance: Upper Three rows, middle adaptive

Source: Internet
Author: User
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Upper and lower three lines of layout, up and down high, the middle bar adaptive browser height, and content vertically centered.

Firefox 2.0/win ie 6/win ie 7/opera 8.5 cn/win Safari test passed.

For non-IE kernel browsers, display:table, Display:table-row, and Display:table-cell are used to simulate the form's representation.
Outermost #box {display:table}, height 100%, its child layer #header/#main/#footer为 {display:table-row}, so you can simulate the row effect of the table, up and down high, then the middle of the high level of adaptive height.
#wrap层为 {Display:table-cell;} Simulates a cell, so you can set {Vertical-align:middle;}, centered vertically.

Because win IE does not support {display:table}, it can only be implemented in a positioning manner. <!--[if Ie]> is set for IE.

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<meta http-equiv=" Content-type " Content= "text/html; charset=gb2312 "/>
<title> lower three line layout, up and down, middle bar adaptive browser height, and content vertically centered </title>
<style type=" Text/css ">
* {
margin:0;
padding:0;
}
HTML,
Body,
#box {
height:100%;
font:small/1.5 "Song Body", serif;
}
Body {
Text-align:center;
}
#box {
Text-align:left;
Background: #666;
Display:table;
width:80%;
margin:0 Auto;
Position:relative;
}
#box > div {
Display:table-row;
}
#header,
#footer {
background: #fcc;
height:50px;
}
#main {
background: #ccf;
}
#main #wrap {
Display:table-cell;
Background: #ffc;
Vertical-align:middle;
}
#text {
Text-align:center;
}
</style>
<!--[if ie]>
<style type= "Text/css" >
#header,
#footer {
WI dth:100%;
Z-index:3;
Position:absolute;
}

#footer {
bottom:0;
}
#main {
height:100%;
Z-index:1;
position:relative;
}
#main #wrap {
Position:absolute;
top:50%;
width:100%;
Text-align:left;
}
#main #text {
position:relative;
width:100%;
top:-50%;
Background: #ccc;
}
</style>
<! [endif]-->

<body>
<div id= "box" >
<div id= "Header" >header</div>
<div id= "Main" >
<div id= "Wrap" >
<div id= "Text" >
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
<p> content </p>
</div>
</div>
</div>
<div id= "Footer" >footer</div>
</div>
</body>

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