.btn{cursor:pointer;white-space:nowrap;border:0;border-radius:4px;padding:0 1em;font-size:19px;line-height:2.3em;transition:all .4s ease-in-out;display:inline-block;position:relative;color:#fff!important;background:#000!important;outline:2px solid #0000!important;text-decoration:none!important}.btn:before{content:"";z-index:-1;background:linear-gradient(135deg,#1a8390,#6dffe8);border-radius:4px;width:calc(100% + 2px);height:calc(100% + 2px);transition:all .4s ease-in-out;display:block;position:absolute;top:-1px;left:-1px}.btn:hover{box-shadow:0 5px 40px 5px #22e0e0b3;color:#000!important;background-color:#fff!important;outline:1px solid #fff!important}