Understanding Cascading Style Sheets - 12

In this lesson we focus on the CSS properties specific to modifying font and text properties on HTML5 web pages. Tune in for a discussion about font-family stacks, common units used for defining relative and absolute sizes, the various font-related modifiers, and much more.
Download the source code for CSS3 Font and Text Properties
Thanks for this great lesson , It includes a lot of the geeky stuff that are usually ignored although they are important.
Good link is mentioned in this lesson:
http://kyleschaeffer.com/best-practices/css-font-size-em-vs-px-vs-pt-vs/
What is the difference between font-size: smaller and small ? , also between larger and large ?; they look the same in example provided .
Hey Bob,
What's the difference between
(1)font-variant:smallcaps and text-transform:uppercase?
(2)vertical-align:top and vertical-align:bottom?
(3)vertical-align:text-top and vertical-align:text-bottom?
I'm only asking because I couldn't spot any differences in the way they're styling text...