ediff-even-diff-face-B

ediff-even-diff-face-B is a variable defined in `ediff-init.el'.
Its value is

ediff-even-diff-B

Documentation:
Face for highlighting even-numbered non-current differences in buffer B.
DO NOT CHANGE this variable. Instead, use the customization
widget to customize the actual face object `ediff-even-diff-B'
this variable represents.