A responsive footer with a grid layout using template '100px 1fr', containing items with large text and :hover { box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); }.
<h3 style='display: grid; grid-template-columns: 1fr 2fr; gap: 10px; :hover { box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); }'><li style='color: gray; border: 1px groove cyan;'>Hello World</li><li style='color: green; border: 1px solid red;'>Hello World</li><li style='color: black; border: 1px groove pink;'>Contact Us</li><li style='color: white; border: 1px dotted pink;'>Hello World</li><li style='color: white; border: 1px solid purple;'>Sign Up</li></h3> @keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-30px); } 60% { transform: translateY(-15px); } }