A responsive div with a grid layout using template 'repeat(3, 1fr)', containing items with small text and :hover { transform: scale(1.1); }.
<header style='display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; :hover { box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); }'><li style='color: pink; border: 1px dotted blue;'>Click Me</li><li style='color: black; border: 1px groove red;'>Sign Up</li><li style='color: yellow; border: 1px solid pink;'>Hello World</li><li style='color: gray; border: 1px double purple;'>Submit</li><li style='color: cyan; border: 1px solid cyan;'>Click Me</li></header> @keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }