.emm_button:before,.emm_button:after{z-index:-5;content:'';position:absolute;top:50%;width:200%;height:2px;background:#13BAEE;opacity:1;-webkit-transition:all 1s ease;-o-transition:all 1s ease;transition:all 1s ease}.emm_button:before{left:50%;-webkit-transform:translateX(-100%);-ms-transform:translateX(-100%);transform:translateX(-100%)}.emm_button:after{right:50%;-webkit-transform:translateX(100%);-ms-transform:translateX(100%);transform:translateX(100%)}.emm_button:hover:before,.emm_button:hover:after{opacity:0;background:#fff;width:0;-webkit-transition:all 1s ease;-o-transition:all 1s ease;transition:all 1s ease}