tabbycat/templates/components/form-submit.html
<div class="list-group-item pt-4 pb-2">
<button type="submit" name="continue" class="btn btn-block btn-success mb-3">
{{ title }}
</button>
{% if subtitle %}
<div class="text-center pb-2 small text-muted">
{% if suburl %}
<a href="{{ suburl }}">{{ subtitle }}</a>
{% else %}
{{ subtitle }}
{% endif %}
</div>
{% endif %}
</div>