Theme Font & Size Changer 31.2. This Firefox add-on allows you to customize what font, size, and type of text you want to utilize.

Can you attach a screenshot? *http://en.wikipedia.org/wiki/Screenshot *https://support.mozilla.org/kb/how-do-i-create-screenshot-my-problem *Use a compressed image type like PNG or JPG to save the screenshot *Make sure that you do not exceed the maximum size of 1 MB Do you have ClearType enabled for all programs in the Windows settings? Win7: Control Panel > Personalization > Window Color and Appearance > Fonts > "Adjust ClearType text" Try to create a new Boolean pref on the about:config page via the right-click context menu with the name layout.paint_rects_separately and set the value to true and leave hardware acceleration and Direct2D enabled. *layout.paint_rects_separately = true *gfx.direct2d.disabled pref = true That way you still have the benefit from hardware acceleration, but may not suffer from rendering issues. You can open the <b>about:config</b> page via the location/address bar. You can accept the warning and click "I'll be careful" to continue. *http://kb.mozillazine.org/about:config See also Anti-Aliasing Tuner: *https://addons.mozilla.org/firefox/addon/anti-aliasing-tuner/

The clearType text solved the problem. Thanks a lot for the support.