Default theme implementation to display a Drupal installation page. All available variables are mirrored in page.html.twig. Some may be blank

Default theme implementation for a feed icon. Available variables: url: An internal system

Default theme implementation for a dropbutton wrapper. Available variables: children:

Default theme implementation to display a single page. The doctype, html, head and body tags are not in this template. Instead they can be found

Default theme implementation for a set of indentation divs. These <div> tags are used for drag and drop tables.

Default theme implementation to display a menu. Available variables: menu_name: The machine

Default theme implementation for an administrative block. Available variables: block:

Default theme implementation for a branding block. Each branding element variable (logo, name, slogan) is only available if enabled in the block

Default theme implementation for an 'input' #type form element. Available variables: attributes:

Default theme implementation to display a region. Available variables: content: The content