<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>有一个高度自适应的div，里面有两个div，一个高度100px，希望另一个填满剩下的高度(三种方案)</title>
<style type="text/css">
html,
body { height: 100%; padding: 0; margin: 0; }
/*方案一*/
/*.outer { height: 100%; padding: 100px 0 0; box-sizing: border-box ; }
.A { height: 100px; margin: -100px 0 0; background: #BBE8F2; }
.B { height: 100%; background: #D9C666; }*/
/*方案二*/
/*.outer { height: 100%; padding: 100px 0 0; box-sizing: border-box ; position: relative; }
.A { height: 100px; background: #BBE8F2; position: absolute; top: 0 ; left: 0 ; 100%; }
.B { height: 100%; background: #D9C666; }*/
/*方案三*/
.outer { height: 100%; position: relative; }
.A { height: 100px; background: #BBE8F2; }
.B { background: #D9C666; 100%; position: absolute; top: 100px ; left: 0 ; bottom: 0; }
</style>
</head>
<body>
<div class="outer">
<div class="A"></div>
<div class="B"></div>
</div>
</body>
</html>
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