dmenu_run wasn't working for me. googling a bit this worked: ➜ ~ LC_ALL=en_US.UTF-8 dmenu_run
when i did dmenu_run without it i had a warning called no locale support, that solved it
resize mod $mod + R
bindsym $mod+Shift+x exec i3lock --colour=ff66cc
lock screen
for_window [class="XTerm"] floating enable
for_window [class="urxvt"] border pixel 1
for_window [title="x200: ~/work"] floating enable
to set windows as mod key set $mod Mod4