site/_src/_assets/styles/bigchain/_tabs.scss

.nav-tabs {
    @extend .list-unstyled;
    display: flex;
    border-bottom: 1px solid $brand-primary;
}

.nav-item {
    flex: 1;
}

.nav-link {
    @extend .text-center;
    box-shadow: none;
    display: block;
    padding: 1rem;
    border-bottom: 4px solid transparent;

    &.active {
        color: #fff;
        border-bottom-color: $brand-primary;
    }
}

.tab-pane {
    display: none;

    &.active {
        display: block;
    }
}