Fixing annoying default blue border around floating windows.

.config/qtile/config.py

@@ -464,6 +464,8 @@ follow_mouse_focus = True
 bring_front_click = False
 cursor_warp = False
 floating_layout = layout.Floating(
+    border_focus=colors[8],
+    border_width=2,
     float_rules=[
         # Run the utility of `xprop` to see the wm class and name of an X client.
         *layout.Floating.default_float_rules,