#privacy-modal { position: fixed; bottom: 0; left: 0; width: 90%; max-width: 400px; background-color: #222; color: #fff; padding: 15px; box-sizing: border-box; border-top-right-radius: 5px; } #privacy-modal .close-btn { position: absolute; right: 10px; top: 10px; background: none; border: none; color: #fff; font-size: 20px; cursor: pointer; } @media (max-width: 768px) { #privacy-modal { width: 100%; border-radius: 0; } }