A h3 containing a cyan button with linear-gradient(to bottom, blue, green) background that says 'Login', followed by a small text description, with fade-in.
<nav><button style='background-color: linear-gradient(to right, red, yellow); font-size: 14px; animation: fade-in 2s;'>Hello World</button><p style='font-size: 14px;'>login</p></nav> @keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-30px); } 60% { transform: translateY(-15px); } } transition: background-color 0.4s ease;