Navigation: Blocsapp-special-menu .sidebar-nav

What are exact classes for mobile side menu? There is mystique classes called “ltc-hunter-green ltc-2869”. I do not know, where those come.

Problem is, that Navbars link color do not work well on against black background and active links are also black -> you can not see at all, what is the text on navlink. I have tried to override it with “blocsapp-special-menu .sidebar-nav.nav-special .site-navigation .nav-item .nav-link” class, but still it gets ltc-hunter-green as a final class.