Font metrics and vertical space in CSS
Yours truly, writing for Typekit:
Font files contain more than just glyphs, the designed characters and symbols that are the essence of a typeface. They also contain mathematic instructions for spacing those characters, such as the actual amount of room a glyph should consume relative to its CSS-specified size.
Shared by Tim Brown on January 14, 2014. Last updated on April 16, 2014.
Topics: Web fonts