diff --git a/keymapper.conf b/keymapper.conf
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+# Guide can be found at: https://github.com/houmain/keymapper
+# Find key names at : https://keycode.info/
+
+# Define some aliases
+     # Alt   = AltLeft
+     # AltGr = AltRight
+     # Win   = Meta
+
+# Define abstract commands
+     # Alt{Z} >> AltZ
+     # Win{X} >> WinX
+
+# Define virtual keys
+Vim = Virtual1
+Ins = Virtual2
+
+# Set LED indicator
+!Vim (Shift CapsLock) >> Vim $(xset led named "Caps Lock") ^
+(Vim Shift CapsLock) >> Vim $(xset -led named "Caps Lock") ^
+
+# Regular remappings
+CapsLock >> ContextMenu
+
+# Ins is for emulating e.g. insert mode, search or typing commands 
+!Ins Vim{I} >> Ins
+Ins{Enter} >> Ins
+Ins{Escape} >> Ins
+
+
+
+[title="Firefox"]
+# Search
+!Ins Vim{Slash} >> Control{F} Ins
+!Ins Vim{N} >> F3
+!Ins Vim{Shift{N}} >> Shift{F3}
+!Ins Vim{U} >> PageUp
+!Ins Vim{D} >> PageDown
+
+# Systemwide Vim mode
+[system="Linux"]
+!Ins Vim{H} >> ArrowLeft
+!Ins Vim{J} >> ArrowDown
+!Ins Vim{K} >> ArrowUp
+!Ins Vim{L} >> ArrowRight
+!Ins Vim{W} >> Control{ArrowRight}
+!Ins Vim{B} >> Control{ArrowLeft}
+!Ins Vim{Backspace} >> ArrowLeft
+
+# VIM: let g:neomake_verbose = 3
+# vim: commentstring=#\ %s : filetype=keymapper : syntax=conf :
+# vim: modelines=2 :