yahoo 标签 .tag_box { width:400px; height:126px; border:1px solid #B0BEC7; font:12px Arial, Helvetica, sans-serif; margin:50px; overflow:hidden} .tag_box ul.menulist { width:402px; height:20px; overflow:hidden; margin:0} .tag_box ul.menulist li { float:left; width:80px; text-align:center; height:19px;