.tb-megamenu {
    background-color: #000;
}

.tb-megamenu .nav > li > a {
    border-right: 0px; 
}

.tb-megamenu .nav > .active > a, .tb-megamenu .nav > .active > a:hover, .tb-megamenu .nav > .active > a:focus {
    background-color: #81d8d0;
   }

.tb-megamenu .nav li.dropdown.open > .dropdown-toggle {
    background-color: #fff;
    color: #81d8d0;
}

.tb-megamenu .dropdown-menu li > a:hover, .tb-megamenu .dropdown-menu li > a:focus, .tb-megamenu .dropdown-submenu:hover > a {
    color: #81d8d0;
}

.tb-megamenu .dropdown-menu {
    border-bottom: 3px solid #81d8d0;
}

.tb-megamenu .nav li.dropdown.active > .dropdown-toggle, .tb-megamenu .nav li.dropdown.open.active > .dropdown-toggle, .tb-megamenu .nav > li.dropdown.open.active > a:hover {
    background-color: #81d8d0;
}

.tb-megamenu {
    
}