You now don’t have any excuses anymore: CSS brings custom properties to life, its own variables system, and they also have scope. No jealous! Let see together how to use them and some examples where JS and CSS variables are best friends forever.
The following resources were mentioned during the presentation or are useful additional information.
CSS Variable Secrets - Lea Verou Smashing Conf. 2017
CCSWG W3C documentation
Gradient on Text demonstration
A series of 4 short videos about CSS Variables
Here’s what was said about this presentation on Twitter.