diff --git a/README.md b/README.md
index e142e94..3abdba4 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,28 @@
 
 Simple Beat Saber stream overlay for [twitch.tv/iza_k](https://www.twitch.tv/iza_k)
 
-Requires [BeatSaberPlus](https://github.com/hardcpp/BeatSaberPlus)
+Requires [BeatSaberPlus](https://github.com/hardcpp/BeatSaberPlus) SongOverlay
 
 <img width="606" height="96" alt="Screenshot" src="https://github.com/user-attachments/assets/96b8e7ce-66ed-4327-a915-ee309d2296c3" />
+
+## Usage - OBS Studio
+
+Add Source > Browser > URL: `https://bs-overlay.netlify.app/`
+
+### Configuration - Custom CSS
+To change size, set root font size (default 10px)
+```css
+:root { font-size: 15px; }
+```
+To right align
+```css
+body { flex-direction: row-reverse; } .row { justify-content: flex-end; }
+```
+To change fade duration (default 300ms)
+```css
+body { transition-duration: 500ms; }
+```
+To change font
+```css
+body { font-family: "Comic Sans MS", cursive; }
+```