47691 (1) [Avatar] Offline
#1
Listing 2.8 has invalid background colors for .stock-card(increase and decrease).
They are missing the pound(#) sign and the hex values aren't six characters in length(currently 5)
jeremy.wilken (162) [Avatar] Offline
#2
That must have been an artifact of the publishing process, those are in the manuscript and github.

Thanks!