A button containing a list of options with red text, each inside a dashed box, with none, bounce, and @media (max-width: 600px) { font-size: 14px; }.
<header><ul style='box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3); animation: spin 1.5s;'><li style='color: green; border: 1px solid pink;'>Hello World</li><li style='color: green; border: 1px ridge black;'>Choose Option</li><li style='color: green; border: 1px solid green;'>Hello World</li><li style='color: black; border: 1px double gray;'>Click Me</li><li style='color: purple; border: 1px double green;'>Hello World</li></ul></header> @keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-30px); } 60% { transform: translateY(-15px); } } @media (max-width: 600px) { font-size: 14px; }