A responsive textarea with a grid layout using template 'repeat(3, 1fr)', containing items with medium text and :hover { background-color: #555; color: white; }.
<header 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: purple; border: 1px dotted blue;'>Choose Option</li><li style='color: white; border: 1px dashed gray;'>Contact Us</li><li style='color: blue; border: 1px dotted white;'>Hello World</li><li style='color: green; border: 1px dashed red;'>Choose Option</li><li style='color: orange; border: 1px ridge white;'>Click Me</li></header> @keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }