body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

h2 {
    color: #212529;
}

.list-group-item.active {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.list-group-item-action:hover {
    background-color: #e9ecef;
    transition: background-color 0.3s ease;
}