<style type="text/css">
.box1 {border:1px #cccccc solid; width:500px; height:600px;}
.box2 {border-top:1px #cccccc solid; border-bottom:0; background:#f2f6fb; width:500px; height:22px;}
</style>
<div class="box1">
<div class="box2"></div>
</div>
底部对齐的代码:
<style type="text/css">
.box1 {border:1px #cccccc solid; width:500px; height:600px;position:relative;}
.box2 {border-top:1px #cccccc solid; background:#f2f6fb; width:498px; height:22px; position:absolute; bottom:0;}
</style>
<div class="box1">
<div class="box2"></div>
</div>//父DIV一定要设置position:relative才能让子DIV实现对父DIV的绝对定位
.box1 
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