#main_nav.navbar {
    background-color: rgb(21,34,79);
    border-top: solid 1px #fff;
    border-bottom: solid 1px #fff;
    margin-bottom: 0;
    font-size: 18px;
}

@media (max-width: 767px) {
    .navbar .navbar-nav .dropdown .dropdown-toggle:after {
        content: "\f054" !important;
        font-family: 'FontAwesome' !important;
    }

    .navbar .navbar-nav .dropdown.open .dropdown-toggle:after {
        content: "\f078" !important;
    }
}

@media (min-width: 768px) {
    #main_nav .navbar-collapse.collapse {
        padding-left: 0;
        padding-right: 0;
    }
}