A gray button with small Helvetica text, using flex layout, aligned to the right, with none, spin, and a :hover { box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); }.
<button style='background-color: yellow; font-size: 24px; font-family: Tahoma; display: block; text-align: justify; box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.5); animation: spin 2s; transition: all 0.3s ease; :hover { box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); }'>Login</button> @keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-30px); } 60% { transform: translateY(-15px); } }