.oew-btn-effect-22 a{position:relative;border:1px solid rgba(0, 0, 0, 0.2);overflow:hidden}.oew-btn-effect-22 a span{position:relative;z-index:2}.oew-btn-effect-22 a::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;-webkit-transition:all .5s;-moz-transition:all .5s;-o-transition:all .5s;transition:all .5s;opacity:1;-webkit-transform:translate(-105%, 0);transform:translate(-105%, 0);background-color:rgba(0, 0, 0, 0.15)}.oew-btn-effect-22 a:hover::before{opacity:0;-webkit-transform:translate(0, 0);transform:translate(0, 0)}