body{font-family:Roboto,sans-serif;background-color:#fafafa;color:#000;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0}.timer{display:flex;gap:20px;margin-top:30px;font-size:32px}input#datetime-picker{font-size:16px;padding:8px 12px;margin-right:8px;border:1px solid #ccc;border-radius:4px;outline:none}