.nav-pills .nav-item a {
    display: block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    color: #ff0000;
    text-decoration: none;
}

.nav-pills .nav-item a:hover {
    background-color: #f0f0f0;
    color: #ff0000;
}

.nav-pills .nav-item.active a,
.nav-pills .nav-item.current a {
    background-color: #ff0000;
    color: #ffffff;
}