Browser Media Queries with EM are consistently accessible

In Best Practice, Engineering by Fredy Ore

Zell Liew has written a great blog post on why Browser Media Queries that use EM instead of PX, REM for breakpoints is the only unit that performs consistently across all browsers for:

  1. Font size changes in HTML font-size
  2. User Zoom In/Outs
  3. Changed default browser font sizes

Update: There is a great 2020 article which covers changes since 2016.

Similar stories

  1. Slashdot on Browser innovation
  2. JavaScript Browser Sniffer Web Tool
  3. New Safari browser update
  4. Detecting the Safari Browser
  5. Browser and Screen Resolution statistics
  6. Technical information on the Safari Browser