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Firefox horizontal scrolling fix

Firefox, by default, seems to be very braindead about horizontal scrolling. It goes back/foreward by default. I want it to scroll. To do this, you need to make two changes to your configuration.

Go to 'about:config' in your URL bar in Firefox. If you've never done this before, literally type 'about:config' in the URL bar and hit enter. This will bring up a list of user settings. In the search bar, type 'mouse' and change the following values:

mousewheel.horizscroll.withnokey.action - Set this to '1'
mousewheel.horizscroll.withnokey.numlines - Set this to '1'
The action defaults to 2, which means go forward/back. Annoying.

The numlines defaults to -1, which scrolls left when you use the mouse to attempt scrolling right. Setting it to 1 will make it scroll left when you scroll left, as it should.

Voila! Horizontal scrolling should now work properly.