paragon_themekit-8.x-1.0-alpha13/starterkit/README/examples/component/simple/example--block--bundle--simple.html.twig

{#
/**
 * @file
 * Theme override for "Simple" component.
 */
#}

{% extends "@partials/component/block.html.twig" %}

{# Add custom classes without disrupting classes set on parent template #}
{% set custom_classes = [
  theme ? 'theme--' ~ theme
]
%}
{% set attributes = attributes.addClass(custom_classes) %}

{% block content %}
  {{ content }}
{% endblock %}