.error {
    background-color: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.success {
    background-color: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.warning {
    background-color: #fff3cd;
    color: #856404;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}