Last year Anders Noren tweeted a series of steps he takes when creating a new block theme. The steps have been collected into this article which has interesting information about what is involved in creating a block theme, the workflow and some useful tools.

Nice video about CSS layouts, related new features, and approaches.

It looks like Elementor is getting on the CSS train for better design consistency. Also mentioned is that CSS Variables and components are on the roadmap.

Creating or customizing block themes – this mini-tutorial shows how to enqueue custom styles for individual core blocks. The styles are only loaded when the block is used. The method is straightforward.

Here is a good tutorial from Kathy Zant on using global styles with GeneratePress and GenerateBlocks 2.0.

Option Group Presets for Divi 5 is what Elegant Themes is calling their most important feature in years. It’s essentially their class-based design system and it’s quite interesting. One cool feature is the ability to stack Option Presents on Element Presents.

This is a great 8 minute video that talks about site layout.

The WordPress developers blog has a very good how-to article on customizing embeds.

The Create Block Theme plugin is a free plugin in the WordPress directory. It lets you create a new block theme, clone an existing one, create a child theme, and save user templates and styles to the active theme. This tutorial shows how to use the various plugin features.