padding: 0px 0px 0px 0px;
margin: :0px 0px 0px 0px; backgournd: #666; filter: alpha(opacity=0); /*IE*/ -moz-opacity: 0.0; /*MOZ , FF*/ opacity: 0.0; /*CSS3, FF1.5*/本文共 234 字，大约阅读时间需要 1 分钟。
padding: 0px 0px 0px 0px;
margin: :0px 0px 0px 0px; backgournd: #666; filter: alpha(opacity=0); /*IE*/ -moz-opacity: 0.0; /*MOZ , FF*/ opacity: 0.0; /*CSS3, FF1.5*/转载于:https://www.cnblogs.com/standy225/archive/2012/06/04/2535431.html