A responsive footer with a grid layout using template '1fr 2fr', containing items with medium text and :hover { background-color: #555; color: white; }.
<header style='display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; :hover { background-color: #555; color: white; }'><li style='color: white; border: 1px dotted red;'>Contact Us</li><li style='color: white; border: 1px groove pink;'>Sign Up</li><li style='color: gray; border: 1px double black;'>Hello World</li><li style='color: blue; border: 1px double yellow;'>Submit</li><li style='color: purple; border: 1px dashed green;'>Login</li></header> @keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }