Variables used to be one of the most requested features for CSS, particularly from programmers accustomed to languages with variables.

Support was first added for CSS variables in Firefox 29, and developers had been using variables in their CSS code for many years via compile-to-CSS languages such as Sass, LESS, or Stylus. These days ...

Ever wished you could use variables in your stylesheets? Well, what may be the number one most requested feature for the next generation of CSS, finally has a formal proposal. The spec, put forth ...

CSS variables are very new though have been in the works for years — but they’re not widely supported yet. Only Chrome 49, Firefox 43+, Safari 9.1 and iOS 9.3 support the standard with no ...