body{
	background-color: #000;
	color: #fff;
}

.navbar-brand{font-weight: bold;}

.list-group-item.active {
    z-index: 2;
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

.bg-dark {
    background-color: #000!important;
}

.navbar-dark .navbar-nav .active > .nav-link,
.navbar-dark .navbar-nav .nav-link.active,
.navbar-dark .navbar-nav .nav-link.show,
.navbar-dark .navbar-nav .show > .nav-link {
    color: #000;
    background-color: yellow;
    text-transform: uppercase;
}

.navbar-dark .navbar-nav .nav-link{
    color: #000;
    background-color: yellow;
    text-transform: uppercase;
    margin-left: 10px;
}

.navbar-dark .navbar-nav .nav-link:focus,
.navbar-dark .navbar-nav .nav-link:hover {
    color: #fff;
    background-color: #000;
}