A virtual Apple Macintosh with System 8
This is Mac OS 8, running in an Electron app pretending to be a 1991 Macintosh Quadra. Yes, it's the full thing. I'm sorry.
Apple - HTML5 and web standards
Demos to show how the latest version of Apple’s Safari web browser, new Macs, and new Apple mobile devices all support the capabilities of HTML5, CSS3, and JavaScript