.btn{border:0 solid #f80000;padding:1vw;width:10vw;font-size:.8vw;min-height:3vh;background:#000;position:relative;cursor:pointer;box-shadow:inset -2px 1px 11px rgba(0,0,0,.5)}.btn,.btn svg{border-radius:2vw}.btn svg{position:absolute;inset:0;fill:none;stroke:#fff;stroke-width:5px;stroke-dasharray:33 297;stroke-dashoffset:50;transition:all .5s linear}.btn:hover{background-color:#000;box-shadow:none}.btn:hover svg{stroke-width:3px;stroke-dashoffset:-500}