body {font:12px Tahoma;margin:0px;text-align:center;background:#FFF;}


#PageBody {width:776px;margin:0px 0px 0px;}


#Sidebar {
 margin:0px 0px 0px;
 width:200px; /*设定宽度*/
 text-align:left; /*文字左对齐*/
 float:left; /*浮动居左*/
 clear:left; /*不允许左侧存在浮动*/
 overflow:hidden; /*超出宽度部分隐藏*/
 /*background-color:#CCCCCC;*/
}
#MainBody {
 margin:0px 0px 0px;
 width:574px;
 text-align:left;
 float:right; /*浮动居右*/
 clear:right; /*不允许右侧存在浮动*/
 overflow:hidden;
 /*background-color:#EEEEEE;*/
}