diff --git a/.config/firefox/chrome/userChrome.css b/.config/firefox/chrome/userChrome.css
new file mode 100644
index 0000000..7e95ab1
--- /dev/null
+++ b/.config/firefox/chrome/userChrome.css
@@ -0,0 +1,3 @@
+#TabsToolbar {
+  visibility: collapse;
+}
diff --git a/README.md b/README.md
index c33d762..74c4b21 100644
--- a/README.md
+++ b/README.md
@@ -12,3 +12,14 @@ All ZSH plugins are submodules
 yadm clone ssh://git@git.pfy.ch/pfych/unix-config.git
 yadm submodule update --init --recursive
 ```
+
+## Firefox
+
+Firefox profile location differs between MacOS & Linux, so the actual config files cannot be synced
+
+1. Navigate to `about:config`
+2. Enable `toolkit.legacyUserProfileCustomizations.stylesheets`
+3. Navigate to `about:support` and open `Profile folder`
+4. Symlink `~/.config/firefox/chrome` to `<profile>/chrome`
+5. Restart Firefox
+