.anuncio8{-webkit-transform:perspective(1px) translateZ(0);transform:perspective(1px) translateZ(0);position:relative;overflow:hidden}.anuncio8:before{position:absolute;z-index:-1;left:50%;right:50%;top:0;background:#4aaecf;height:100%;-webkit-transition-property:left,right;transition-property:left,right;-webkit-transition-duration:1s;transition-duration:1s;-webkit-transition-timing-function:ease;transition-timing-function:ease}.anuncio8:hover:before{left:0;right:0}