Tailwind CSS is a highly customisable framework that delivers developers the tools to quickly pull your site together.   Initial Configuration The installation and configuration steps are essentially the same as those outlined within the Tailwind documentation. Note they need to be performed within your custom theme's directory such as /themes/custom/{theme} for Drupal 9 Install Tailwind and PostCSS via npm or yarn.  I used npm...  # Using npm npm install...

The magically descriptive error 401 Forbidden "message": "Access denied on creating field 'uid'.".  You probably can sense the love I have for this error.  This was a painful error that took a little while to resolve.  First off I also had this error display as: "Access denied on creating field 'uid' "Access denied on creating field 'name' "Access denied on creating field 'entity_id' And I would have had more if I continued down the resolution path I was on....