To try everything Brilliant has to offer—free—for a full 30 days, visit   . You’ll also get 20% off an annual premium subscription. Obsidian is highly customizable thanks to it being built on web technologies, and featuring a modular plugin architecture. In this video, I'll show you how you can start to style your own Obsidian vault using custom CSS stylesheets! Download my FREE Obsidian Templates: Obsidian Weekly Goal Tracker: Obsidian for Beginners: Obsidian Task Manager Template: Obsidian Dataview 101: Notion-Like Dashboards: Developer Project Design Doc Template: This video was sponsored by Brilliant Chapters: 00:00 Intro 00:34 Set Up and Configure Stylesheet 02:35 Obsidian Developer Tools 03:05 Identify HTML Elements 04:18 Test Stylesheet Implementation 07:38 Custom Columns Callout Element 10:21 Column CSS Code 14:59 Make Columns Responsive with Media Queries