conditional formatting, cell value > previous cell value (extended over range)

[Gaellus]

Good afternoon,

Small example of how my data looks like
Knipsel.PNG

Now i would like to have the cell in the 2nd column to be red when the cell value is higher than the cell value in the first column.
( i have much more columns than in the example) so i need some kind of formula in the conditional formatting which states B1>A1 than make B1 red. That should then apply to the whole range.