#wrap{width:970px; margin:0 auto;}
#mainbody{position:relative; margin-top:15px;}
#left{float:left; border:1px solid #999;width:110px; }
#mid{float:left; margin-left:13px;width:650px;border:1px solid #999;}
#right{position:absolute;right:0px; margin-left:796px; border:1px solid #999;}
每个都设置边框支持右左796
#mainbody{position:relative; margin-top:15px;}
#left{float:left; border:1px solid #999;width:110px; }
#mid{float:left; margin-left:13px;width:650px;border:1px solid #999;}
#right{position:absolute;right:0px; margin-left:796px; border:1px solid #999;}
每个都设置边框支持右左796
2016-06-18
*{margin:0; padding:0;}
#wrap{width:970px; margin:0 auto;【任务1】}
#mainbody{【任务3】 margin-top:15px;}
#left{float:left; border:1px solid #999;【任务2】width:110px; }
#mid{float:left;margin-left:13px;【任务2】width:650px;border:1px solid #999;}
#right{float:right; width:177px; border:1px solid #999;【任务3】}
#wrap{width:970px; margin:0 auto;【任务1】}
#mainbody{【任务3】 margin-top:15px;}
#left{float:left; border:1px solid #999;【任务2】width:110px; }
#mid{float:left;margin-left:13px;【任务2】width:650px;border:1px solid #999;}
#right{float:right; width:177px; border:1px solid #999;【任务3】}
2016-06-18
#wrap{width:970px; margin:0 auto;}
#mainbody{position:relative; margin-top:15px;}
#left{ width:110px; border:1px solid #999; }
#mid{ width:650px;border:1px solid #999; position:absolute; top:0; left:123px;}
#right{ border:1px solid #999; position:absolute; top:0; left:786px;}
#mainbody{position:relative; margin-top:15px;}
#left{ width:110px; border:1px solid #999; }
#mid{ width:650px;border:1px solid #999; position:absolute; top:0; left:123px;}
#right{ border:1px solid #999; position:absolute; top:0; left:786px;}
2016-06-18