region-hero.css in Drupal 9

Region default layout.

File

core/themes/olivero/css/layout/region-hero.css

/*
 * DO NOT EDIT THIS FILE.
 * See the following change record for more information,
 * https://www.drupal.org/node/3084859
 * @preserve
 */

/**
 * @file
 * Region default layout.
 */

.region--hero > *:last-child {
    margin-bottom: 0;
  }