i3: Change font and start unclutter

.config/i3/config

@@ -17,7 +17,8 @@ set $bg_color #000000
 
 # Font for window titles. Will also be used by the bar unless a different font
 # is used in the bar {} block below.
-font -misc-fixed-medium-r-normal--12-120-75-75-C-70-iso10646-1
+#font -misc-fixed-medium-r-normal--12-120-75-75-C-70-iso10646-1
+font pango:Mensch 9
 # The font above is very space-efficient, that is, it looks good, sharp and
 # clear in small sizes. However, its unicode glyph coverage is limited, the old
 # X core fonts rendering does not support right-to-left and this being a bitmap
@@ -207,6 +208,7 @@ exec --no-startup-id nm-applet
 exec --no-startup-id flameshot
 exec --no-startup-id feh --bg-scale ~/.config/i3/wallpaper.png
 exec --no-startup-id xdotool key --clearmodifiers Num_Lock
+exec --no-startup-id unclutter
 
 # Start i3bar to display a workspace bar (plus the system information i3status
 # finds out, if available)
@@ -255,3 +257,5 @@ bindsym XF86AudioPrev exec  playerctl previous
 bindsym XF86AudioMicMute exec --no-startup-id pactl set-source-mute 1 toggle
 
 focus_on_window_activation focus
+
+for_window [instance="fontpreview"] floating enable