#300 utilizing style file for common color pairs

coordinator/ui/components/unit_flow.lua

@@ -31,6 +31,7 @@ local wh_gray = style.wh_gray
 local bw_fg_bg = style.bw_fg_bg
 local text_c = style.text_colors
 local lu_c = style.lu_colors
+local lg_gray = style.lg_gray
 
 local ind_grn = style.ind_grn
 local ind_wht = style.ind_wht
@@ -64,8 +65,6 @@ local function make(parent, x, y, wide, unit)
     -- bounding box div
     local root = Div{parent=parent,x=x,y=y,width=_wide(136, 114),height=height}
 
-    local lg_gray = cpair(colors.lightGray, colors.gray)
-
     ------------------
     -- COOLING LOOP --
     ------------------