Learn how to create or customize styles, define text and code styles like headings and snippets, and easily select code snippets from a list. Explore the steps to create a new collection in the CMS, specifying fields such as title, URL, and content, as well as additional document types and options like publication dates. Follow along as you add document pages, style content from Framer, Notion, or GitHub, and navigate through the pages using the index page. Gain valuable insights on customizing styles within the CMS for a seamless content management experience.