A responsive div with a grid layout using template '100px 1fr', containing items with medium text and :hover { box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); }.
<nav 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: orange; border: 1px dashed blue;'>Sign Up</li><li style='color: cyan; border: 1px dotted orange;'>Search</li><li style='color: purple; border: 1px solid blue;'>Search</li><li style='color: gray; border: 1px solid cyan;'>Search</li><li style='color: yellow; border: 1px dashed blue;'>Choose Option</li></nav> @keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }