Today I am in discussion with one of the designer we have and we have found one strange thing about Cufon fonts. If you are not sure what cufon is, then I would recommended you to have read this article about cufon fonts.
Problem is with line-height CSS attribute. Line height works perfectly but not when we apply Cufon fonts to that element.
For first few mins we thought it might a problem with some other CSS property. But it was not like that. In just 4 minutes I have found that cufon has known but about line-height (in all browsers) and that no suppose to get fixed.
Actual problem is with non-strict doctypes pages. So if you have a strict doctype defined then you might have not face the same problem but it will create a problem for all non-strict DocTypes.
So if you have this problem then you must have DocType like below:
So as a solution you need to change that DocType to below one: