two-col.html.twig

1. 8.x drupal/core/modules/layout/layouts/static/twocol/two-col.html.twig
2. 8.x drupal/core/modules/layout/tests/themes/layout_test_theme/layouts/static/two-col/two-col.html.twig

{#
/**
 * @file
 * Template for a 2 column layout.
 *
 * This template provides a two column display layout, with each column equal in
 * width.
 *
 * Available variables:
 * - attributes: Attributes to be placed on the wrapping element.
 * - content: All content items, each content item is keyed to one region of the
 *   layout. 'content' contains the following sections:
 *   - first: Content in the first column.
 *   - second: Content in the second column.
 *
 * @ingroup themeable
 */
#}
<div class="layout-display layout-two-col clearfix {{ attributes.class }}"{{ attributes }}>
  <div class="layout-region layout-col-first">
    {{ content.first }}
  </div>

  <div class="layout-region layout-col-second">
    {{ content.second }}
  </div>
</div>