#wrap{width:970px; margin:0 auto;}
#mainbody{position:relative; ;overflow:hidden; margin-top:15px;}
#left{float:left; width:110px; margin-right:13px;}
#mid{float:left; width:650px;border:1px solid #999;}
#right{position:absolute; margin-left:790px; top:0; border:1px solid #999;}
#mainbody{position:relative; ;overflow:hidden; margin-top:15px;}
#left{float:left; width:110px; margin-right:13px;}
#mid{float:left; width:650px;border:1px solid #999;}
#right{position:absolute; margin-left:790px; top:0; border:1px solid #999;}
2017-01-02
#wrap{width:970px; margin:0 auto;}
#mainbody{position:relutive; margin-top:15px;}
#left{float:left ;width:110px; }
#mid{float:left;margin-left:13px;width:650px;border:1px solid #999;}
#right{paoborder:absolute; 1px solid #999;}
#mainbody{position:relutive; margin-top:15px;}
#left{float:left ;width:110px; }
#mid{float:left;margin-left:13px;width:650px;border:1px solid #999;}
#right{paoborder:absolute; 1px solid #999;}
2017-01-01
最赞回答 / Jacksion
#left宽度110px,#mid宽度650px 左边距123px 相加共883px。外部容器#wrap宽度970px。最关键的地方由于#right没有设置宽度,并且拥有float:right;宽度会根据内容自动伸展。所以解决方法:使#left宽度110px+#mid宽度650px+左边距123px+#right宽度 <= #wrap宽度为#right设置宽度删减#right设置宽度
2016-12-29