fix low-contrast a:hover /collapded/dropdown

to fix low-contrast in a:hover when navbar-inverse is true, and the dropdown-menu is collapsed

> in @media (max-width: 979px)
> in  .navbar-inverse .nav-collapse .nav > li > a:hover,
  .navbar-inverse .nav-collapse .nav > li > a:focus,
  .navbar-inverse .nav-collapse .dropdown-menu a:hover,
  .navbar-inverse .nav-collapse .dropdown-menu a:focus {
    background-color: #111111;
  }
> put this inside (or any color that increase contrast).
     color: #eeeeee;

> the final result:
 .navbar-inverse .nav-collapse .nav > li > a:hover,
  .navbar-inverse .nav-collapse .nav > li > a:focus,
  .navbar-inverse .nav-collapse .dropdown-menu a:hover,
  .navbar-inverse .nav-collapse .dropdown-menu a:focus {
    background-color: #111111;
    color: #eeeeee;
  }