.navbar-default {background-color:#ffffff;background-image:none;border-bottom-width:1px}
.navbar-default .navbar-toggle {color:#666666}
.navbar-default .navbar-toggle:hover {background-image:none;background-color:#e7e7e7}

@media (min-width:768px) {

    .navbar-default .navbar-nav>li>a {border-top-style:none;color:#666666;}
    .navbar-default .navbar-nav>.open>a, .navbar-default .navbar-nav>.open>a:focus, .navbar-default .navbar-nav>.open>a:hover {border-top-style:none;color:#333333;background-color:#e7e7e7;background-image:none;}
    .navbar-default .navbar-nav .open .dropdown-menu>li>a, .navbar-default .navbar-nav .open .dropdown-menu-column>li>a {border-top-style:none;}
    .navbar-default .navbar-nav .open .dropdown-menu>li>a:hover, .navbar-default .navbar-nav .open .dropdown-menu-column>li>a:hover {color:#337ab7;}

}