test /*test*/ *{ margin:0; padding:0; font-size:12px; font-family:Verdana, Arial; line-height:1.8; list-style:none;} #info,#nav{ margin:50px; border:1px dashed #f30; background:#ffc; padding:50px;} #info div{background:#f00; width:0px; height:0px; overflow:hidden; margin-bottom:10px;} /*测试*/ #com_a{ border-top:10px solid #ffc;border-left:10px solid #f30;border-bottom:10px solid #ffc;} #com_b{ border-top:10px solid #ffc;border-right:10px solid #f30;border-bottom:10px solid #ffc;} #com_c{ border-top:10px solid #ffc;border-right:10px solid #f30;border-bottom:10px solid #ffc;border-left:10px solid #f30;} #com_d{ border-top:10px solid #f30;border-right:10px solid #ffc;border-bottom:10px solid #f30;border-left:10px solid #ffc;} #com_e{ border-top:10px solid #ffc;border-left:10px solid #f30;} #com_f{ border-top:10px solid #f30;border-right:10px solid #ffc;border-left:10px solid #ffc;} #com_g{ border-right:10px solid #ffc;border-bottom:10px solid #f30;border-left:10px solid #ffc;} #com_h{ border-top:10px solid #f30;border-bottom:10px solid #f30;border-left:10px solid #ffc;} #com_i{ border-top:10px solid #f30;border-right:10px solid #f30;border-bottom:10px solid #f30;border-left:10px solid #ffc;} 测试
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