openclassify/addons/default/wirelab/language_switcher-plugin/resources/views/dropdown-lang.twig

<div class="dropdown mr-2 my-2 my-lg-0 lang-dropdown">
    <button class="btn dropdown-toggle pl-0" type="button" id="dropdownMenuButton" data-toggle="dropdown"
            aria-haspopup="true" aria-expanded="false">
                    <span class="flag mr-1 flag-{{ config('app.locale') }}"
                          style='background-image: url("{{ img('visiosoft.theme.base::images/lang/flags.png').url() }}");'>
                    </span>
        {{ trans('streams::locale.' ~ config('app.locale') ~ '.name') }}
        {{ toggle.title|raw }}
    </button>
    <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
        {% for iso in config('streams::locales.enabled') %}
            <a class="dropdown-item px-3" href="#" onclick="window.location = '?_locale={{ iso }}';">
                            <span class="flag align-middle mr-1 flag-{{ iso }}"
                                  style='background-image: url("{{ img('visiosoft.theme.base::images/lang/flags.png').url() }}");'>
                            </span>
                <span class="align-middle">{{ trans('streams::locale.' ~ iso ~ '.name') }}</span>
            </a>
        {% endfor %}
    </div>
</div>
{{ asset_add('styles.css','visiosoft.theme.base::css/flags.css') }}