:root{--primary:#e40;--background-color:#202428}body,main{margin:0;padding:0}body{background-color:var(--background-color)}main{height:100vh;width:100vw}section{display:table;height:100%;width:100%}div{display:table-cell;text-align:center;vertical-align:middle}span{background:#fff;border:4px solid var(--primary);border-radius:8px;display:inline-block;padding:16px 32px}i{color:var(--primary);font-family:Arial,sans-serif,serif;font-size:2rem;font-weight:700}