.alert-bottom-right {
    position: fixed;
    bottom: 10px;
    right: 10px;
    z-index: 1050; /* Ensure it's above other elements */
    opacity: 0;
    transition: opacity 0.5s ease-in-out; /* Smooth transition for opacity */
}

.alert-visible {
    opacity: 1; /* Full opacity when visible */
}