:root{--red:#c02b2f;--pink:#de81ac}*{box-sizing:border-box;font-family:Arial,sans-serif;margin:0;padding:0}html{font-size:10px}body{background-color:var(--pink);color:var(--red);display:grid}#app{height:100vh;max-width:600px;place-self:center;width:100vw}