I originally wrote this fire for the quest on CSSQuests.com, and now it’s available on CodePen. This is a pure CSS animation of fire, without any JavaScript or SVG.
See the Pen Magic Fire (Pure CSS) by Ivan Bogachev (@sfi0zy) on CodePen.
Simple UI framework. RSCSS, REM-based sizes, fluid typography and other nice ideas. This website is powered by it.