Section "InputClass"
    MatchIsTouchpad     "on"
    Identifier          "touchpad catchall"
    Driver              "synaptics"
        # 1 = left, 2 = right, 3 = middle
    Option              "TapButton1" "1"
    Option              "TapButton2" "3"
    Option              "TapButton3" "2"
        # Palm detection
    Option              "PalmDetect" "1"
    Option              "PalmMinWidth" "8"
        # Horizontal scrolling
    Option              "HorizTwoFingerScroll" "1"
        # Natural Scrolling (and speed)
    Option              "VertScrollDelta" "-100"
    Option              "HorizScrollDelta" "-100"
EndSection

Section "InputClass"
    Identifier      "touchpad ignore duplicates"
    MatchIsTouchpad "on"
    MatchOS         "Linux"
    MatchDevicePath "/dev/input/mouse*"
    Option          "Ignore" "on"
EndSection