Steps to Reproduce:
1. Launch Mozilla
2. Browser a html page which has some italic characters
3. Notice the display
Expected Result: The "italic" characters should be displayed correctly
Actual Result: The "italic" characters are not really italic
Note: Mozilla can not display bigger size correctly also.
Work Around
Workaround steps:
1.Edit->Preferences->Appearance->Font
2.Change "Serif:" to be another font, for example "Courier".
It can solve this problem.