*{box-sizing:border-box}button:focus-visible,a:focus-visible{outline:3px solid #06666b;outline-offset:3px}button{min-height:44px;width:100%}body{font:18px system-ui;background:#f5f3ed;color:#21352a;margin:10vh auto;padding:24px;max-width:620px}button{font:inherit;padding:14px;background:#254d3a;color:white;border:0;border-radius:5px;cursor:pointer}