body * {
    font-family: sans-serif;
}

.text-black {
    color: #000 !important;
}

a.text-black:hover {
    font-weight: bolder;
}

li.nav-item a {
    color: #000;
}

li.nav-item a:hover {
    background-color: #007bff;
    color: #FFF;
}

li.nav-item.active a {
    background-color: #007bff;
    color: #FFF;
    font-weight: bold;
}