Enables the previous "classic" editor and the old-style Edit Post screen with TinyMCE, Meta Boxes, etc. Supports all…
About Blocks CSS: CSS Editor for Gutenberg Blocks
Blocks CSS is a tool that lets you customize the appearance of your Gutenberg Blocks by adding custom CSS directly from the Block Editor. It provides a syntax-highlighted CSS Editor for easy editing and styling.Screenshots


Changelog
You can check the changelog here.