A responsive nav with a grid layout using template '100px 1fr', containing items with small text and :hover { box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); }.
<header style='display: grid; grid-template-columns: 1fr 2fr; gap: 10px; :hover { background-color: #555; color: white; }'><li style='color: red; border: 1px dotted yellow;'>Search</li><li style='color: black; border: 1px double orange;'>Enter Your Name</li><li style='color: blue; border: 1px double red;'>Login</li><li style='color: pink; border: 1px groove yellow;'>Sign Up</li><li style='color: yellow; border: 1px dotted gray;'>Enter Your Name</li></header> @keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }