Added mod+... keys to control amixer and xbacklight (note that am using sudo...

Added mod+... keys to control amixer and xbacklight (note that am using sudo here as are using acpilight (https://aur.archlinux.org/packages/acpilight/) as dropin replacement.

Also reverted compton screen-tearing fix since doesn't seem a problem for my new machine (Razer Blade 15, GTX 1060).

compton/compton.conf

@@ -41,15 +41,15 @@ fade-in-step = 0.03;
 fade-out-step = 0.03;
 fade-exclude = [ ];
 
-#backend = "xrender";
-backend = "glx";
+backend = "xrender";
+#backend = "glx";
 mark-wmwin-focused = true;
 mark-ovredir-focused = true;
 detect-client-opacity = true;
 unredir-if-possible = true;
 refresh-rate = 0;
-#vsync = "none";
-vsync = "opengl-swc";
+vsync = "none";
+#vsync = "opengl-swc";
 dbe = false;
 paint-on-overlay = true;
 focus-exclude = [ "class_g = 'Cairo-clock'" ];

i3/config

@@ -53,12 +53,13 @@ bindsym $mod+Ctrl+m exec terminal -e 'alsamixer'
 ################################################################################################
 
 # Increase/decrease sink volume 1
-bindsym $mod+F2 exec pactl set-sink-volume 1 -5%; exec notify-send 'sink 1 volume decreased'
-bindsym $mod+F3 exec pactl set-sink-volume 1 +5%; exec notify-send 'sink 1 volume increased'
+bindsym $mod+F1 exec amixer -qD pulse set Master toggle; exec notify-send 'sound toggled'
+bindsym $mod+F2 exec amixer -qc 0 set Master 2db-; exec notify-send 'volume decreased'
+bindsym $mod+F3 exec amixer -qc 0 set Master 2db+; exec notify-send 'volume increased'
 
 # Screen brightness controls
-bindsym $mod+F6 exec xbacklight -inc 5
-bindsym $mod+F5 exec xbacklight -dec 5
+bindsym $mod+F8 exec sudo xbacklight -10
+bindsym $mod+F9 exec sudo xbacklight +10
 
 # Start Applications
 bindsym $mod+Ctrl+b exec terminal -e 'bmenu'