diff --git a/common/bin/install-user-chrome-css.fish b/common/bin/install-user-chrome-css.fish
new file mode 100755
index 0000000..93bba10
--- /dev/null
+++ b/common/bin/install-user-chrome-css.fish
@@ -0,0 +1,18 @@
+#!/usr/bin/env fish
+
+set profile_dirs ~/.mozilla/firefox/*.dev-edition-default
+
+for p in $profile_dirs
+	mkdir -p $p/chrome
+	set user_chrome_css_file $p/chrome/userChrome.css
+	echo '/* Generated by '(status -f)' -- do not edit manually! */' > $user_chrome_css_file
+	cat $DOTFILES_PATH/common/firefox/userChrome.d.css >> $user_chrome_css_file
+	echo >> $user_chrome_css_file
+	for file_part in $ENV_PATH/*/firefox/userChrome.d.css
+		cat $file_part >> $user_chrome_css_file
+		echo >> $user_chrome_css_file
+	end
+	echo Built $user_chrome_css_file
+end
+
+echo Make sure you set 'toolkit.legacyUserProfileCustomizations.stylesheets' to true in about:config
diff --git a/common/bin/s b/common/bin/s
index e84f8bb..37660b0 100755
--- a/common/bin/s
+++ b/common/bin/s
@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 
-tmux-lyte-session notes $NOTES_DIR -- fish -C "N _scratch"
+N _scratch
diff --git a/common/bin/tmux-lyte-session b/common/bin/tmux-lyte-session
index ac9a2f3..8a35a99 100755
--- a/common/bin/tmux-lyte-session
+++ b/common/bin/tmux-lyte-session
@@ -2,5 +2,10 @@
 
 set session_name $argv[1]
 set dir (set -q argv[2] && echo $argv[2] || pwd)
-tmux new-session -D -s "$session_name" -c "$dir" $argv[3..-1] || \
-	tmux attach-session -d -t "$session_name" -c "$dir"
+
+if set -q TMUX
+	tmux switch -t $session_name
+else
+	tmux new-session -D -s "$session_name" -c "$dir" $argv[3..-1] || \
+		tmux switch -d -t "$session_name" -c "$dir"
+end
diff --git a/common/firefox/userChrome.d.css b/common/firefox/userChrome.d.css
new file mode 100644
index 0000000..7aba8a5
--- /dev/null
+++ b/common/firefox/userChrome.d.css
@@ -0,0 +1,3 @@
+#webrtcIndiator {
+	display: none;
+}
diff --git a/host/desktop/firefox/userChrome.d.css b/host/desktop/firefox/userChrome.d.css
new file mode 100644
index 0000000..a91f73b
--- /dev/null
+++ b/host/desktop/firefox/userChrome.d.css
@@ -0,0 +1,9 @@
+#main-window[tabsintitlebar="true"]:not([extradragspace="true"])
+	#TabsToolbar
+	> .toolbar-items {
+	opacity: 0;
+	pointer-events: none;
+}
+#main-window:not([tabsintitlebar="true"]) #TabsToolbar {
+	visibility: collapse !important;
+}