Glimmer DSL for CSS version 1.5.2 has been released. Glimmer DSL for CSS provides Ruby syntax for building CSS (Cascading Style Sheets), included in Glimmer DSL for Web (Ruby in the Browser Web Frontend Framework) to use in Rails Frontend Development. GitHub : https://github.com/AndyObtiva/glimmer-dsl-css RubyGem : https://rubygems.org/gems/glimmer-dsl-css Change Log (v1.5.2): - Support `rem`, `Q`, `pt`, `pc`, `ch`, `ex`, `vh`, `vw`, `vmin`, `vmax` methods on `Numeric` to represent their respective CSS units (e.g. `14.vh` => `"14vh"` / `2.rem` => `"2rem"`) - Fix `%` `Integer`/`Float` operator in Opal by implementing on `Number` class instead.