diff --git a/.xmonad/xmonad-x86_64-linux b/.xmonad/xmonad-x86_64-linux
index f778129..ff86601 100755
Binary files a/.xmonad/xmonad-x86_64-linux and b/.xmonad/xmonad-x86_64-linux differ
diff --git a/.xmonad/xmonad.errors b/.xmonad/xmonad.errors
index 1ca58a6..b28ed7f 100644
--- a/.xmonad/xmonad.errors
+++ b/.xmonad/xmonad.errors
@@ -1,14 +1,14 @@
 
-xmonad.hs:401:43: warning: [-Wdeprecations]
+xmonad.hs:300:3: warning: [-Wtabs]
+    Tab character found here, and in 12 further locations.
+    Please use spaces instead.
+    |
+300 |          spawn "polybar-msg cmd toggle")
+    |   ^^^^^^
+
+xmonad.hs:412:43: warning: [-Wdeprecations]
     In the use of ‘spacing’ (imported from XMonad.Layout.Spacing):
     Deprecated: "Use spacingRaw instead."
     |
-401 | addSpace     = renamed [CutWordsLeft 2] . spacing gap
+412 | addSpace     = renamed [CutWordsLeft 2] . spacing gap
     |                                           ^^^^^^^
-
-xmonad.hs:459:1: warning: [-Wtabs]
-    Tab character found here, and in 10 further locations.
-    Please use spaces instead.
-    |
-459 |         , className =? "thunderbird"    --> doShift "9: mail"
-    | ^^^^^^^^
diff --git a/.xmonad/xmonad.hs b/.xmonad/xmonad.hs
index 71b9acb..ee1967b 100644
--- a/.xmonad/xmonad.hs
+++ b/.xmonad/xmonad.hs
@@ -94,10 +94,10 @@ green   = "#859900"
 
 -- sizes
 gap         = 10
-topbar      = 10
+topbar      = 5
 border      = 0
-prompt      = 10
-status      = 10
+prompt      = 5
+status      = 5
 
 active      = orange
 activeWarn  = red
@@ -203,6 +203,9 @@ myKeys conf@(XConfig {XMonad.modMask = modMask}) = M.fromList $
   -- Audio previous.
   , ((modMask, xF86XK_AudioLowerVolume),
      spawn "playerctl previous")
+  , ((0, xF86XK_AudioPrev),
+     spawn "playerctl previous")
+
 
   -- Play/pause.
   , ((0, xF86XK_AudioPlay),
@@ -211,6 +214,9 @@ myKeys conf@(XConfig {XMonad.modMask = modMask}) = M.fromList $
   -- Audio next.
   , ((modMask, xF86XK_AudioRaiseVolume),
      spawn "playerctl next")
+  , ((0, xF86XK_AudioNext),
+     spawn "playerctl next")
+
 
   -- Increase brigthness
   , ((0, xF86XK_MonBrightnessUp),
@@ -289,8 +295,13 @@ myKeys conf@(XConfig {XMonad.modMask = modMask}) = M.fromList $
   , ((modMask, xK_period),
      sendMessage (IncMasterN (-1)))
 
-  -- Toggle the status bar gap.
-  -- TODO: update this binding with avoidStruts, ((modMask, xK_b),
+    -- Toggle polybar
+  , ((modMask .|. shiftMask, xK_f),
+  	 spawn "polybar-msg cmd toggle")
+    
+  -- lock screen 
+  , ((modMask .|. shiftMask, xK_0),
+	 spawn "light-locker-command -l")
 
   -- Quit xmonad.
   , ((modMask .|. shiftMask, xK_q),
diff --git a/.xmonad/xmonad.o b/.xmonad/xmonad.o
index a91288d..231ff3a 100644
Binary files a/.xmonad/xmonad.o and b/.xmonad/xmonad.o differ
diff --git a/.xprofile b/.xprofile
index fe12b40..3556dcb 100644
--- a/.xprofile
+++ b/.xprofile
@@ -1,4 +1,5 @@
 blueman-applet &
+xbindkeys &
 xrdb -merge ~/.Xresources
 xrandr --dpi 210
 export GDK_SCALE=1.5