A p containing a green button with linear-gradient(to bottom, blue, green) background that says 'Sign Up', followed by a small text description, with spin.
<header><button style='background-color: linear-gradient(to bottom, blue, green); font-size: 14px; animation: fade-in 2s;'>Contact Us</button><p style='font-size: 14px;'>login</p></header> @keyframes fade-in { from { opacity: 0; } to { opacity: 1; } } transition: all 0.3s ease;