CSS3 Click Chart

Rem Units

Allows you to define a root em unit value on the html element, then use values on subsequent elements that are relative to the specified root unit.

Specification

Rem Units on W3C

Example Code

Live Demonstration

For a live demonstration of CSS3 rem units, visit this link in a supporting browser.

Browser Support

Tools / Polyfills

Tutorials / Articles

Font Sizing With Rem

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