CSS Font Size Specifics

Question

I have a couple of specific questions about font size:

1. Is pt (I.E. 12pt) standardized? I think I read somewhere that pt = 1/72 of an inch. However, the size

Answer 1

"pt" in fonts is only for print CSS. Here is a link which explains all differences between types of sizes http://css-tricks.com/css-font-size/