make the colors nicer

nixos/i3/polybar.ini

@@ -10,12 +10,15 @@ modules-right = cpu battery backlight date
 font-0 = Iosevka:size=16
 font-1 = Openmoji Color:size=16
 
-background = #88000000
-foreground = #ffffffff
+background = #AA342C2A
+foreground = #FFF6F4F1
 padding = 1
 module-margin = 1
 height = 40
 
+border-bottom-size = 1
+border-bottom-color = #FFFFF191
+
 [module/backlight]
 type = internal/backlight
 card = intel_backlight
@@ -48,6 +51,7 @@ ramp-coreload-4 = ▅
 ramp-coreload-5 = ▆
 ramp-coreload-6 = ▇
 ramp-coreload-7 = █
+
 [module/date]
 type = internal/date
 date = %A, %B %d, %Y%