.flash-message {
    position: fixed;
    top: 30px;
    right: 10px;
    z-index: 1000;
    display: none;
    padding: 10px;
    border-radius: 5px;
}
.alert-success {
    background-color: #d4edda;
    color: #155724;
}
.alert-error {
    background-color: #f8d7da;
    color: #721c24;
}