Normally you don't have control how contents are rendered from Editors. In FilamentPHP, administrators are given option to use either the Rich Editor or the Markdown Editor. CSS designs generated from these editors cannot be edited but you can use a pre-set Tailwind designs generated by the Tailwind Typography plugin to render more aesthetically.
More information here: Tailwind Typography Plugin
This tutorial is a good explanation why you would need this plugin: Styling Markdown and CMS Content with Tailwind CSS
About the Author
Hi, my name is Roel. I am a TALL stack developer. I created this site to document all web applications I created using the TALL stack. I exclusively built products using Laravel because I like the experience writing applications using the simplest framework/stack available.