Polybar: Use font weights to heigten bspwm module contrast

.config/polybar/config

@@ -35,11 +35,11 @@ bar-width = 15
 bar-fill = ━
 
 [res/fonts]
-font-0 = "Roboto:size=10;2"
-font-1 = "FontAwesome:size=10;2"
-font-2 = "Material Design Icons:size=11;3"
-font-3 = 
-font-4 = 
+font-0 = "Roboto:style=Regular:size=10;2"
+font-1 = "Roboto:style=Medium:size=10;2"
+font-2 = "Roboto:style=Light:size=10;2"
+font-3 = "FontAwesome:size=10;2"
+font-4 = "Material Design Icons:size=11;3"
 
 #========================================
 # BARS
@@ -137,22 +137,27 @@ label-focused = %name%
 label-focused-padding = ${res/config.padding}
 label-focused-foreground = ${res/colors.background}
 label-focused-background = ${res/colors.icon-wm}
+label-focused-font = 2
 
 label-dimmed = ${self.label-focused}
 label-dimmed-padding = ${res/config.padding}
 label-dimmed-foreground = ${self.label-focused-foreground}
 label-dimmed-background = ${res/colors.background-alt}
+label-dimmed-font = 2
 
 label-occupied = ${self.label-focused}
 label-occupied-padding = ${res/config.padding}
+label-occupied-font = 2
 
 label-urgent = ${self.label-focused}
 label-urgent-padding = ${res/config.padding}
 label-urgent-foreground = ${res/colors.alert}
+label-urgent-font = 2
 
 label-empty = ${self.label-focused}
 label-empty-padding = ${res/config.padding}
 label-empty-foreground = ${res/colors.background-alt}
+label-empty-font = 3
 
 [module/battery]
 type = internal/battery