How to use Text Zoom
To resize screen text:
3:
First, at the top of the Firefox windowon the menu bar, click the View menu, scroll to the Zoom sub-menu, and select Zoom Text Only. For information on Page Zoom, see Page Zoom.
* Keyboard:
o To increase the text size, press and hold CtrlCmd while pressing +.
o To decrease the text size, press and hold CtrlCmd while pressing -.
o To reset the text size, press and hold CtrlCmd while pressing 0.
* Mouse: If your mouse has a scroll wheel, press and hold Ctrl while scrolling up to decrease the text font size and down to increase it.