A nav containing a white button with linear-gradient(to right, red, yellow) background that says 'Contact Us', followed by a medium text description, with spin.
<header><button style='background-color: radial-gradient(circle, pink, purple); font-size: 18px; animation: fade-in 2s;'>Submit</button><p style='font-size: 18px;'>search</p></header> @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } } transition: background-color 0.4s ease;