When scrolling down the mouse wheel with CTRL, the zoom decreases. I would like it to increase when I scroll down, and vice versa.
Is there a way to change it?
Open about:config and set the preference:
For Firefox 17+:
mousewheel.with_control.delta_multiplier_y = -100 // default 100
mousewheel.with_control.delta_multiplier_y = -100
For Firefox <=16:
mousewheel.withcontrolkey.numlines = -1 // default 1
mousewheel.withcontrolkey.numlines = -1
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3 years ago