<a{% for attr, value in options | merge({class: 'btn btn-secondary mx-2 px-0'}) %} {{ attr }}="{{ value }}"{% endfor %}>
<span class="float-right">
{% if sorted %}
{% if direction == 'desc' %}
<i class="fa fa-sort-down"></i>
{% else %}
<i class="fa fa-sort-up"></i>
{% endif %}
{% else %}
<i class="fa fa-sort"></i>
{% endif %}
</span>
{{ title }}
</a>