.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin: 10px 0;
    font-family: Arial, sans-serif;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    animation: shake 0.3s;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

.alert a {
    font-weight: bold;
    text-decoration: underline;
}

.alert {
    border-radius: 6px;
    padding: 12px 16px;
}

/* Väristys animaatio */
@keyframes shake {
    0% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
    100% { transform: translateX(0); }
}