.alert {
    position: relative;
    overflow: hidden;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 5px solid #28a745;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 5px solid #dc3545;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 5px solid #ffc107;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 5px solid #17a2b8;
}

.alert i {
    opacity: 0.8;
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.alert.animate__fadeIn {
    animation-duration: 0.5s;
}