A gray button with small Helvetica text, using block layout, aligned to the right, with 0 4px 8px rgba(0, 0, 0, 0.2), fade-in, and a :hover { background-color: #555; color: white; }.
<button style='background-color: cyan; font-size: 18px; font-family: Arial; display: inline-block; text-align: center; box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3); animation: spin 2s; transition: all 0.3s ease; :hover { background-color: #555; color: white; }'>Login</button> @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }