• Look Inside Theme .info Files
• Override Theme CSS Files
• Change Background Images
One of Drupal’s greatest strengths is its robust and flexible architecture. With the exception of a very few critical aspects of core, you can override just about everything in Drupal. Its architecture provides a reliable way of doing so, as you have seen with the sites folder, which can contain folders for your own themes, modules, and libraries. By providing you with a place to put your customizations, many people find that they never need to touch Drupal’s code. If you do need to write code, you write what you want and place it in your sites folder ...