#nav { width:823px; height:63px; font-size: 14px; color: #333; line-height:63px; float:left; padding-left:30px; } #nav a { display: block; font-family:Arial, Helvetica, sans-serif; color: #333; font-weight:700; text-align: center; } #nav a:link { color:#333; text-decoration:none;} #nav a:visited { color:#333; text-decoration:none; } #nav span{ font-size:11px;} #nav a:hover { color:#666; text-decoration:none; width:85px; } .nav_li1 { float: left; width: 90px; } .nav_li1 a { font-size:14px} .nav_li1 ul li a{ font-size:12px;} #nav li a:hover{ width: 90px; text-decoration: underline; color:#999 } #nav li ul { left: -999em; width: 90px; position:absolute; color: #FFFFFF; float: left; } #nav li ul li{ float: left; width: 90px; background-color: #f70b05; color: #FFFFFF; font-size: 16px; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: #FFFFFF;filter:alpha(opacity=90); /*IE滤镜,透明度50%*/ -moz-opacity:0.9; /*Firefox私有,透明度50%*/ opacity:0.9;/*其他,透明度50%*/ line-height: 26px; height: 26px; } #nav li ul a{ display: block; width: 90px; color: #FFFFFF; } #nav li ul a:link { color:#FFFFFF; text-decoration:none; } #nav li ul a:visited { color:#FFFFFF;text-decoration:none; } #nav li ul a:hover { color:#fff; background:#bd0702; text-decoration:none; font-weight:100; background-image: url(../images/libgg_19.jpg); background-repeat: no-repeat; } #nav li:hover ul { left: auto; } #nav li.sfhover ul { left: auto; }