Conditional Formatting based on 2 dimensions

Anonymous , Create a color measure

color = if([Score]<= 80 ,"red", "white")

And you have to do it for all columns. Go to conditional formatting for each column choose font formatting and under that use "field values" and select this color measure

https://radacad.com/dax-and-conditional-formatting-better-together-find-the-biggest-and-smallest-numbers-in-the-column
https://docs.microsoft.com/en-us/power-bi/desktop-conditional-table-formatting#color-by-color-values