CSS common layout arrangement_html/css_WEB-ITnose

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Release: 2016-06-24 11:52:27
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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>
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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>
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