.blend-btn { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); padding: 12px 24px; font-size: 1.1rem; background: #ff69b4; color: white; border: none; border-radius: 8px; cursor: pointer; } .shake-message { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 2rem; color: green; font-weight: bold; }