提供一则DIVCSS的网页布局代码.doc

单行一列以下是引用片段：body margin: 0px; padding: 0px; text-align: center; #content margin-left:auto; margin-right:auto; width: 400px; width: 370px; 两行一列以下是引用片段：body margin: 0px; padding: 0px; text-align: center;#content-top margin-left:auto; margin-right:auto; width: 400px; width: 370px;#content-end margin-left:auto; margin-right:auto; width: 400px; width: 370px;三行一列以下是引用片段：body margin: 0px; padding: 0px; text-align: center; #content-top margin-left:auto; margin-right:auto; width: 400px; width: 370px; #content-mid margin-left:auto; margin-right:auto; width: 400px; width: 370px; #content-end margin-left:auto; margin-right:auto; width: 400px; width: 370px; 单行两列以下是引用片段：#bodycenter width: 700px;margin-right: auto; margin-left: auto;overflow: auto; #bodycenter #dv1 float: left;width: 280px;#bodycenter #dv2 float: right;width: 410px;两行两列以下是引用片段：#header width: 700px; margin-right: auto;margin-left: auto; overflow: auto;#bodycenter width: 700px; margin-right: auto; margin-left: auto; overflow: auto; #bodycenter #dv1 float: left; width: 280px;#bodycenter #dv2 float: right;width: 410px;三行两列以下是引用片段：#header width: 700px;margin-right: auto; margin-left: auto; #bodycenter width: 700px; margin-right: auto; margin-left: auto; #bodycenter #dv1 float: left;width: 280px;#bodycenter #dv2 float: right; width: 410px;#footer width: 700px; margin-right: auto; margin-left: auto; overflow: auto; 单行三列绝对定位以下是引用片段：#left position: absolute; top: 0px; left: 0px; width: 120px; #middle margin: 20px 190px 20px 190px; #right position: absolute;top: 0px; right: 0px; width: 120px;float定位一xhtml:以下是引用片段：这里是第一列这里是第二列这里是第三列CSS:以下是引用片段：#wrap width:100%; height:auto;#column float:left; width:60%;#column1 float:left; width:30%;#column2 float:right; width:30%;#column3 float:right; width:40%;.clear clear:both;float定位二xhtml:以下是引用片段：This is the main content.This is the left sidebar.This is the right sidebar.CSS:以下是引用片段：body margin: 0;padding-left: 200px;padding-right: 190px;min-width: 240px;.column position: relative;float: left;#center width: 100%;#left width: 180px; right: 240px;margin-left: -100%;#right width: 130px;margin-right: -100%;两行三列xhtml:以下是引用片段：这里是顶行这里是第一列这里是第二列这里是第三列CSS:以下是引用片段：#headerwidth:100%; height:auto;#wrap width:100%; height:auto;#column float:left; width:60%;#column1 float:left; width:30%;#column2 float:right; width:30%;#column3 float:right; width:40%;.clear clear:both;三行三列xhtml:以下是引用片段：这里是顶行这里是第一列这里是第二列这里是第三列这里是底部一行CSS:以下是引用片段：#headerwidth:100%; height:auto;#wrap width:100%; height:auto;#column float:left; width:60%;#column1 float:left; width:30%;#column2 float:right; width:30%;#col