#user-alert-box {position: fixed;bottom: 0;right: 0;width: 300px;background-color: #f9f9f9;color: #333;padding: 10px;box-shadow: 0px 0px 10px rgba(0,0,0,0.1);z-index: 1000;display: flex;flex-direction: column;align-items: center;}#user-alert-box p {margin: 0 0 10px 0;font-size: 14px;text-align: center;}#user-alert-box button {background-color: #4CAF50;color: white;border: none;padding: 10px 20px;font-size: 14px;cursor: pointer;}#user-alert-box button:hover {background-color: #45a049;}@media (max-width: 768px) {#user-alert-box {width: 90%;}}@media (min-width: 769px) {#user-alert-box {width: 350px;}}