CSS common layout arrangement_html/css_WEB-ITnose
Fixed width layout
1-2-1 layout (floating)
<html xmlns="http://www.w3.org/1999/xhtml"><head><title>固定宽度</title><style type="text/css">div ,p, h2 { margin: 2px; padding: 5px;}#container { width: 612px; margin: 10px auto;}#header,#footer { width: 596px; border: 1px solid blue;} #content { float: left; width: 360px; border: 1px solid blue;}#side { float: left; width: 220px; border: 1px solid blue;}#footer { clear: both;}</style></head><body><div id="container"> <div id="header"> <h2>Page Header</h2> </div> <div id="content"> <h2>Page Content 1</h2> <p>对于一个网页设计者来说，HTML语言一定不会感到陌生，因为它是所有网页制作的基础。但是如果希望网页能够美观、大方，并且升级方便，维护轻松，那么仅仅HTML是不够的，CSS在这中间扮演着重要的角色。</p> </div> <div id="side"> <h2>Side Bar 1</h2> <p>对于一个网页设计者来说，HTML语言一定不会感到陌生。</p> </div> <div id="footer"> <h2>Page Footer</h2> <p>这是一行文本，这里作为样例，显示在布局框中。</p> </div></div></body></html>
Rendering:
The two divs in the middle are floated, and the width of the containing block is a fixed value. Footer clears the float to prevent the floating block from covering it.
1-2-1 layout (absolute positioning)
<html xmlns="http://www.w3.org/1999/xhtml"><head><title>固定宽度</title><style type="text/css">div ,p, h2 { margin: 2px; padding: 5px;}#container { width: 612px; margin: 10px auto; position:relative;}#header,#footer { width: 612px; border: 1px solid blue;} #content { margin-left: 226px; width: 360px; border: 1px solid blue;}#side { position: absolute; width: 220px; border: 1px solid blue; left:0; top:3px;}</style></head><body><div id="header"> <h2>Page Header</h2></div><div id="container"> <div id="content"> <h2>Page Content 1</h2> <p>对于一个网页设计者来说，HTML语言一定不会感到陌生，因为它是所有网页制作的基础。但是如果希望网页能够美观、大方，并且升级方便，维护轻松，那么仅仅HTML是不够的，CSS在这中间扮演着重要的角色。</p> </div> <div id="side"> <h2>Side Bar 1</h2> <p>对于一个网页设计者来说，HTML语言一定不会感到陌生。</p> </div></div><div id="footer"> <h2>Page Footer</h2> <p>这是一行文本，这里作为样例，显示在布局框中。</p></div></body></html>Rendering:
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