body{font-family:system-ui,-apple-system,sans-serif;margin:0;padding:2rem;line-height:1.5}main{max-width:600px;margin:0 auto}.button-primary{display:inline-block;padding:10px 20px;cursor:pointer;background-color:#4285f4;color:#fff;border:none;border-radius:4px;font-weight:700;text-decoration:none;font-size:1rem}.button-primary:hover:not(:disabled){background-color:#357ae8}.button-primary:disabled{cursor:not-allowed;opacity:.7}.button-link{display:inline-block;padding:10px 20px;background-color:#e0e0e0;color:#333;border-radius:4px;text-decoration:none;font-weight:700}.button-link:hover{background-color:#d0d0d0}.margin-top{margin-top:20px}