body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.sidebar {
    background-color: #212529 !important;
}
.sidebar .nav-link {
    color: #cfd8dc;
}
.sidebar .nav-link:hover {
    color: #fff;
    background-color: #495057;
}
.sidebar .nav-link.active {
    color: #fff;
    background-color: #0d6efd;
}
.card {
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075);
}
.card-text.display-6 {
    font-size: 2rem;
    font-weight: 300;
}