A header containing a list of options with blue text, each inside a solid box, with 4px 4px 10px rgba(0, 0, 0, 0.5), spin, and @media (max-width: 600px) { font-size: 14px; }.
<header><ul style='box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); animation: fade-in 1.5s;'><li style='color: red; border: 1px double blue;'>Hello World</li><li style='color: blue; border: 1px groove white;'>Submit</li><li style='color: cyan; border: 1px dashed pink;'>Contact Us</li><li style='color: gray; border: 1px double yellow;'>Enter Your Name</li><li style='color: black; border: 1px ridge blue;'>Search</li></ul></header> @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } } @media (min-width: 600px) and (max-width: 1200px) { font-size: 16px; }