Prevent paddings in editing mode
Problem
When using a non-standard toolbar (e.g. https://www.drupal.org/project/gin_toolbar), the body might get unwanted paddings.
Solution
Force body to have 0 padding
Problem
When using a non-standard toolbar (e.g. https://www.drupal.org/project/gin_toolbar), the body might get unwanted paddings.
Solution
Force body to have 0 padding