nav ul{list-style:none;display:flex;gap:20px}nav ul li a{text-decoration:none;color:#555;padding:10px 15px;border:2px solid #555;border-radius:5px}nav ul li a:hover{color:#fff}.container{display:flex;justify-content:center;margin-bottom:30px}.container a{text-decoration:none;color:#555;padding:10px 20px;border:2px solid #555;border-radius:5px}.container a:hover{background-color:#555;color:#fff}body{font-family:Arial,sans-serif;background-color:#f5f5f5;margin:0;padding:20px;color:#555}.timer{display:flex;gap:20px;color:#555}.field{display:flex;flex-direction:column;align-items:center}.value{font-size:32px;min-width:40px;text-align:center}.label{font-size:14px;text-transform:uppercase;color:#888}form{background-color:#e0e0e0;padding:20px;border-radius:10px;width:300px;margin:40px auto}form label{display:block;margin-bottom:5px;color:#444}fieldset{display:flex;gap:20px;align-items:center;border:none;padding:0;border-radius:5px}