Category: em

Building Resizeable Components with Relative CSS Units

The following is a guest post by Ahmad Shadeed. Ahmad has put together a ton of examples to show off how using relative units can benefit us. I think a lot of us think of units like em as being for font-size, which it is, but can also be for lots of other things, tying together typographic sizing and other visual eleme...

Use `rem` for Global Sizing; Use `em` for Local Sizing

Richard Rutter’s guide for setting the font-size of an element is interesting: he argues that we should use both em and rem units depending on the relationship it might have with other elements on the page: Take the example of a pull quote containing two short paragraphs. The spacing between the paragraphs will depe...