<html style="margin:0px 0px 0px 0px;padding:0px 0px 0px 0px;">
<body style="height:100%;width:100%;">
<div style="height:20px;background-color:red;"></div>
<div style="background-color:black;"></div>
<div style="height:20px;background-color:blue;"></div>
</body>
</html>
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如何让第二个div伸展以填充剩余空间(放置第一个和第三个div后)?
Joh*_*wis 12
如果你想要粘贴页脚系统,那么使用这种技术:
* {
margin: 0;
}
html, body {
height: 100%;
}
.wrapper {
min-height: 100%;
height: auto !important;
height: 100%;
margin: 0 auto -20px;
}
.footer, .push {
height: 20px;
}
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http://ryanfait.com/resources/footer-stick-to-bottom-of-page/
如果我正确了解您的意图(谁知道..):
HTML:
<div id="top"></div>
<div id="mid"></div>
<div id="bot"></div>
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CSS:
html, body {
margin: 0;
padding: 0;
border: 0;
}
body {
color: #fff
}
#top, #mid, #bot {
position: absolute;
width: 100%
}
#top {
height: 20px;
background: red;
top: 0;
}
#mid {
background: #000;
top: 20px;
bottom: 20px
}
#bot {
height: 20px;
background: blue;
bottom: 0
}
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