*{margin:0;padding:0;box-sizing:border-box}.body{height:100vh;background:#00091e;color:#fff;text-align:center;display:flex;justify-content:center;flex-direction:column;font-family:Titillium Web,sans-serif}.h2{font-weight:700;font-size:25vh;margin:0;line-height:1;animation:light 4s steps(1) infinite}.button{margin-top:25px;width:200px;padding:10px;border-radius:14px;border:none;color:#fff;cursor:pointer;font-size:25px;border:solid 2px white;background-color:#00091e}h2+p{font-size:3vh}@keyframes light{33%{text-shadow:0 0 20px #e900fe}66%{text-shadow:0 0 20px #6de33c}}