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I'm using Bitstream Vera Sans as the sans-serif font in Firefox 11.0 beta for Windows 7 x64. There is a drastic jump in size from 16(pt?) to 17(pt?), to the point where 16 is barely legible, and 17 takes up too much space. I tried changing the value to 16.5 in about:config, but it told me that 16.5 isn't an integer (which it isn't). I fell in love with this font, so is there any option beyond dropping Vera?

This is Size 16: Size 16

This is Size 17: Size 17

Open the images in a new tab for full size. As you may be able to ascertain from the screenshot, I'm a fairly serious Wikipedia editor, and it helps to be able to read a lot of text at once, but I still need legibility.

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up vote 1 down vote accepted

You could try using the NoSquint Firefox extension which allows one to control text zoom independently from overall zoom and then set the zoom incremental amount to something like 10% of normal (after setting your default sans-serif font size to 16 pts). This works for me in 32-bit Firefox 10.0.2.

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It's a great add-on. Completely solved my issue. – yutsi Feb 27 '12 at 19:52
@Yutsi: Glad to hear it solved your problem -- I wasn't sure about whether it'd work with a 64-bit build. NoSquint is a great add-on for Firefox -- I've been using it for a very long time. It effectively lets one customize the font size displayed on a site-by-site basis which it'll then remember between sessions. – martineau Feb 27 '12 at 20:46

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