lotto-generator {
    display: block;
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--project-card-bg-light);
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.dark-theme lotto-generator {
    background-color: var(--project-card-bg-dark);
    color: var(--text-color-dark);
}