Drupal 8 Theming Fundamentals by John Hannah June 4, 2015 Share Post on Facebook Tweet on Twitter Share on LinkedIn A step by step guide to building a new theme in Drupal 8 Drupal 8 Theming Fundamentals, Part 1 Drupal 8 Theming Fundamentals, Part 2 Published in Drupal Development Front-end Development John Hannah John Hannah is a Senior JavaScript Developer.