vj4/ui/templates/partials/problem_lucky.html
<div data-fragment-id="problem_lucky">
<p>
<a href="{% if not category %}{{ reverse_url('problem_random') }}{% else %}{{ reverse_url('problem_category_random', category=category) }}{% endif %}" class="expanded button" target="_blank"><span class="icon icon-feeling-lucky"></span> {{ _('Lucky') }}</a>
</p>
<div class="typo supplementary">
<p>{{ _('Pick a problem randomly based on current filter') }}</p>
</div>
</div>