:root{--poppy:#cb4a20;--grey:gray;--bg:#f5f5f5;--text:#333}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,sans-serif}a{color:var(--poppy);text-decoration:none}a:hover{text-decoration:underline}button{background:var(--poppy);color:#fff;cursor:pointer;border:none;border-radius:4px;padding:.5rem 1rem}button:hover{opacity:.9}button.secondary{background:var(--grey)}