body{font:16px sans-serif;background:#f4f7fa;color:#203040}main{max-width:420px;margin:10vh auto;padding:28px;background:white;border-radius:16px}input,button{display:block;font:inherit;padding:12px;max-width:100%;box-sizing:border-box;margin:12px 0}button{background:#17626b;color:white;border:0;border-radius:6px}