div+css小疑问。_html/css_WEB-ITnose
CSS
大家看一下这个left 和right 共同被一个#maincontainer div包裹。
代码如下。
#left { background: #eee; width: 350px; height: 400px; float: left; } #right { background: #ccc; width: 150px; height: 400px; float: right; } #maincontainer { width: 500px; overflow: auto; } #foot { background: #eee; width: 500px; height: 100px; }运行起来是没有问题的 “这里为什么出现？” 是没有的。
但是为什么设计页面中要空出这一块呢？ 我并没有设置#maincontainer的height。
也没有任何的边框。为什么出现那一块了呢？ 运行起来却没有问题。看着真别扭。
求大神帮解答。
回复讨论(解决方案)
#foot{
clear:both
}
试试
*{margin:0;padding:0;}
LZ啥浏览器？
1楼和2楼的办法都可以试试
#foot { clear:both; background: #eee; width: 500px; height: 100px; }测试了IE7、8、9、10和chrome，在IE7中出现这种现象，正在找解决方式。
<!doctype html><!-- Saved from html5snippet.net --><html><head><meta http-equiv='Content-Type' content='text/html; charset=utf-8'/><style type='text/css'>body {background:lightblue;}div {margin:0;padding:0;}#left { background: #aaa; width: 35%; height: 400px; float: left; } #right { background: #ccc; width: 65%; height: 400px; float: right; } #maincontainer { clear:left; background: red; width: 100%; } #foot { background: #eee; width: 100%; height: 100px; }</style><script type='text/javascript'></script></head><body> <div id="left"></div><div id="right"></div><div id="maincontainer"></div><div id="foot"></div></body></html>需要加上
层来清除浮动~~<div id="maincontainer"><div id="left"></div><div id="right"></div><div class="clear"></div></div><div id="foot"></div>
.clear{clear:both;background: none;border: 0;display: block;float: none;font-size:0;margin:0;padding:0;overflow: hidden;visibility: hidden;width:0px;height:0px;line-height:0px;}#left { background: #eee; width: 350px; height: 400px; float: left; } #right { background: #ccc; width: 150px; height: 400px; float: right; } #maincontainer { width: 500px; overflow: auto; } #foot { background: #eee; width: 500px; height: 100px; }需要加上
层来清除浮动~~<div id="maincontainer"><div id="left"></div><div id="right"></div><div class="clear"></div></div><div id="foot"></div>
.clear{clear:both;background: none;border: 0;display: block;float: none;font-size:0;margin:0;padding:0;overflow: hidden;visibility: hidden;width:0px;height:0px;line-height:0px;} #left { background: #eee; width: 350px; height: 400px; float: left; } #right { background: #ccc; width: 150px; height: 400px; float: right; } #maincontainer { width: 500px; overflow: auto; } #foot { background: #eee; width: 500px; height: 100px; }大家误会了 我可能强调的也不对，这个是在VS2008的设计页面中的情况。浏览器运行是正常的。。。。
应该是上下div边距的问题
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