upccrt/resources/sass/app.scss

// Fonts
@import url('https://fonts.googleapis.com/css?family=Nunito');

// Variables
@import 'variables';

// Bootstrap
@import '~bootstrap/scss/bootstrap';

.nav-link {
    padding: 0.5rem 0.5rem;
}

.xs-collapse {
    display: block;
}

/* Styles for toggle button (optional) */

.xs-toggle .icon-bar {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 1px;
}

.xs-toggle .icon-bar + .icon-bar {
    margin-top: 4px;
}

.btn-default.xs-toggle .icon-bar {
    background-color: #888;
}


@media (min-width: 575.98px) {
    .xs-toggle {
        display: none;
        visibility: hidden;
    }
    .xs-collapse, .xs-collapse.show, .xs-collapse:not(.show) {
        display: flex;
        visibility: visible;
    }
}