views/macros/column_open.html.twig
{% from 'column_classes.html.twig' import column_classes as column_classes %}
{% macro column_open(element, sizes, id, extra_classes, properties) %}
<{{ element|default('div') }} class="{{ column_classes( sizes ) }}{{ extra_classes ? ' '~extra_classes : '' }}"{{ id ? ' id="'~id~'"' : '' }}{{ properties ? ' '~properties : '' }}>
{% endmacro %}