File: //home/retile.ru/public_html/catalog/view/theme/default/template/extension/module/category.twig
<div class="list-group">
{% for category in categories %}
{% if category.category_id == category_id %}
<a href="{{ category.href }}" class="list-group-item active">{{ category.name }}</a>
{% if category.children %}
{% for child in category.children %}
{% if child.category_id == child_id %}
<a href="{{ child.href }}" class="list-group-item active"> - {{ child.name }}</a>
{% else %}
<a href="{{ child.href }}" class="list-group-item"> - {{ child.name }}</a>
{% endif %}
{% endfor %}
{% endif %}
{% else %} <a href="{{ category.href }}" class="list-group-item">{{ category.name }}</a>
{% endif %}
{% endfor %}
</div>