Possible Duplicate:
Are there any practical reasons to use “em” instead of “pt” font size units?
I always used either 'em' or 'px' unit for font sizes. Wondering when it is a good idea to use point(pt) unit?
Possible Duplicate:
Are there any practical reasons to use “em” instead of “pt” font size units?
I always used either 'em' or 'px' unit for font sizes. Wondering when it is a good idea to use point(pt) unit?