body{font-family:Arial,Helvetica,sans-serif;background:#f0f0f0}.container{width:100%;max-width:300px;margin:0 auto;text-align:center}.timer{display:flex;gap:20px;font-family:Arial,sans-serif;font-size:24px}.field{text-align:center}.label{display:block;font-size:14px;color:#555}.value{display:block;font-weight:700}