Custom options for Logitech USB Optical Mouse

Section "InputClass"
        Identifier "Logitech Optical Mouse"
        MatchProduct "Logitech USB Optical Mouse"
        MatchIsPointer "True"
        Driver "evdev"
        Option "ButtonMapping" "3 2 1 4 5 6 7"
        Option "AccelerationThreshold"  "2"
        Option "AccelerationNumerator"  "3"
        Option "AccelerationDenominator"  "1"
EndSection