<a href="{{ url }}" class="js-ajax" data-type="iframe">{{ url }}</a>

{% set classes = {
    'default': 'table-row__btn-show',
    'footer':  'page-footer__btn-hide',
    'header':  'page-header__btn-hide',
} %}

<a href="{{ url }}" target="_blank" class="js-ajax {{ classes[style]|default }}" data-type="iframe">{{ url }}</a>

Add preview link view widget.
Add preview link view widget.
