CSS对IE使用背景透明 实现 rgba 效果 height:35px; background: -webkit-gradient(linear,left top,left bottom,from(rgba(68,102,113,0.9)),to(rgba(46,74,83,0.9))); background: -moz-linear-gradient(top, rgba(68,102,113,0.9), rgba(46,74,83,0.9)); filter:progid:DXImageTr…