diff --git a/dots/bash/.bashrc b/dots/bash/.bashrc
index da29127..149bbbb 100644
--- a/dots/bash/.bashrc
+++ b/dots/bash/.bashrc
@@ -83,6 +83,20 @@ case ${TERM} in
 		;;
 esac
 
+# tss (terminal screen saver) - start a random one
+tss() {
+    # https://unix.stackexchange.com/questions/118714/how-can-i-get-cacafire-to-show-up-in-the-original-gnome-terminal-instead-of-a
+    OLD_DISPAY=$(echo $DISPLAY)
+    export DISPLAY=
+    commands=("aafire -driver curses" "cacafire" "cmatrix -a -b -s -u 5" "unimatrix.py")
+    random_command="${commands[ $RANDOM % ${#commands[@]} ]}"
+    $random_command
+    export DISPLAY=${OLD_DISPAY}
+}
+
+alias tbt="printf '\x1b]10;red\x1b\\'; printf '\x1b]11;#000\x1b\\'" # tbt (terminal black theme) | https://sw.kovidgoyal.net/kitty/faq/#how-do-i-change-the-colors-in-a-running-kitty-instance
+alias tdt="printf '\x1b]10;#00ffff\x1b\\'; printf '\x1b]11;#161021\x1b\\';" # tdt (terminal default theme)
+
 
 # ---
 # networking
@@ -209,16 +223,6 @@ rshift() {
     redshift -P -O ${temperature}
 }
 
-# tss aka terminal screen saver
-tss() {
-    # https://unix.stackexchange.com/questions/118714/how-can-i-get-cacafire-to-show-up-in-the-original-gnome-terminal-instead-of-a
-    OLD_DISPAY=$(echo $DISPLAY)
-    export DISPLAY=
-    commands=("aafire -driver curses" "cacafire" "cmatrix -a -b -s -u 5" "unimatrix.py")
-    random_command="${commands[ $RANDOM % ${#commands[@]} ]}"
-    $random_command
-    export DISPLAY=${OLD_DISPAY}
-}
 
 # ---
 # mounting