A gray box with groove border, radial-gradient(circle, pink, purple) background, small text centered inside, using block layout, with :hover { box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); } and fade-in.
<div style='background: linear-gradient(to bottom, blue, green); border: 2px dashed pink; font-size: 16px; text-align: center; display: block; justify-content: center; align-items: center; animation: fade-in 2s; transition: all 0.3s ease; :hover { background-color: #555; color: white; }'>Click Me</div> @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }