[Drupal] Make the Search API Page search block appear in Bootstrap markup

When using Search API Page, I needed to theme the search form in the bootstrap structure. The cleanest answer I have found is to add some variables to trigger the bootstrap overrides on the search form.

Additional Information Instructions made on Drupal 8.3.x (probably, haha).

[Drupal] Use admin_block and admin_block_content templates

This article is about the default admin_page, admin_block and admin_block_content templates which serves as the base of the content display on some system configuration pages such as the one on this image: The code

Explanation If you use admin_page, you will be able to define the column in which the blocks dwell: left or […]