:root{--primary:white;--secondary:black;--text:white}html,body{width:100%;height:100%;margin:0}body{box-sizing:border-box;justify-content:center;width:100%;min-height:100%;padding:.5rem 0;display:flex}.container{width:100%;max-width:500px;height:100%;min-height:100%;color:var(--text);background:var(--secondary);flex-direction:column;justify-content:end;font-family:Arial;font-size:14px;display:flex;position:relative}