Cedric, the author of BricksProps, does a deep dive into BEM and how to use it.

Adam Lowe has shared his premium course on YouTube for free. It goes in-depth on how to create a classic theme using Pinegrow. It is a great resource on creating a classic theme and on Pinegrow.

Here is a Beaver Builder tutorial on how to use the new Box Module. The Box Module give the ability to use Flexbox and CSS Grid.

A course on the UX of search by Vitaly Friedman. Recommended.

Creating and managing block patterns is pretty straightforward. Here is a tutorial on the process.

Here is a tutorial showing how to install WP-CLI and perform a number of common WordPress tasks using it.

Here is a fun video from Kevin Power playing with CSS currentColor and color-mix. It might be useful for people trying to create light and dark mode color palettes.

In this video Paul Charlton shares his enthusiasm for GutenBricks, a plugin that lets you create Gutenberg blocks from Bricks Builder templates. It is a way to provide Gutenberg blocks for clients so they can edit the content, without changing the layout and styles.

Here is a practical guide to designing for colorblind people. It includes simple explanations, examples, and suggestions.