# "Ursa" Light and Dark Theme for [Obsidian.md](https://obsidian.md/) > A light and dark theme for [Obsidian](https://obsidian.md/) featuring "zen mode" with collapsing side panels and improved single pane viewing, compatible to Obsidian V0.5 ![Screenshot](./light-theme_full.png) ![Screenshot](./light-theme_zen.png) ![Screenshot](./dark-theme_full.png) ![Screenshot](./dark-theme_zen.png) ## Install 1. Download the obsidian.css file. 2. In Obsidian click Settings->Plugins and turn on "Custom CSS". 3. Put the "obsidian.css" in your vault root folder. 4. Enjoy! _The font used is Avenir, so make sure you have that downloaded in your font library to achieve the full effect_