4 Seven is the default administration theme for core in Drupal 8. This theme is
5 used on all admin pages and by default on node edit forms.
7 To read more about the Seven theme's origins (in Drupal 7) please see:
8 https://www.drupal.org/docs/7/core/themes/seven
10 See https://www.drupal.org/docs/8/core/themes/seven-theme for more information
11 on using the Seven theme.
13 Seven is an internal theme and shouldn't be extended by other themes. Please
14 see https://www.drupal.org/node/2582945 for more info.
19 See https://www.drupal.org/docs/8/theming for more information on Drupal 8