a {
    color: #999;
}
a:hover {
    color: #999;
}
.nav a {
    color: black;
}
.nav a:hover {
    text-decoration: none;
    background-color: #75b600;
}
.nav .dropdown-menu .dropdown-item:hover {
    background-color: #75b600;
}
.nav .dropdown-menu {
    border-radius: 0;
}