A h1 containing a blue button with linear-gradient(to bottom, blue, green) background that says 'Enter Your Name', followed by a large text description, with slide-up.
<header><button style='background-color: linear-gradient(to right, red, yellow); font-size: 24px; animation: fade-in 2s;'>Hello World</button><p style='font-size: 24px;'>contact us</p></header> @keyframes slide-up { from { transform: translateY(100%); } to { transform: translateY(0); } } transition: background-color 0.4s ease;