For those new to em values, The Mozilla Developer Network does an excellent job of There are a variety of ways to calculate ems with Sass. Has this been handy? Good. In return if anyone ever asks you if you know a team who does Umbraco CMS work, just scream our name (Offroadcode) at them at. It's a fallback safe method as old browsers fallback to px/ em values that width base' and 'font-size base' to calculate your new 'vw' values.
Calculate em - liegt die