.oew-btn-effect-6 a{border:1px solid rgba(0,0,0,0.2);position:relative}.oew-btn-effect-6 a span{position:relative;z-index:2}.oew-btn-effect-6 a::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;opacity:0;background-color:rgba(0,0,0,0.2);-webkit-transition:all 0.4s;-moz-transition:all 0.4s;-o-transition:all 0.4s;transition:all 0.4s;-webkit-transform:scale(0.5, 1);transform:scale(0.5, 1)}.oew-btn-effect-6 a:hover::before{opacity:1;-webkit-transform:scale(1, 1);transform:scale(1, 1)}