http://www.usabilitypost.com/2011/04/19/pure-css-slideout-interface/
No-Library (pure JS), HTML, CSS, JavaScript
https://www.emanueleferonato.com/2019/10/12/use-box2d-physics-in-your-phaser-3-projects-with-planck-js-javascript-physics-engine/
jQuery 1.9.1, HTML, CSS, JavaScript