- screen resolution: min.800x600
_(if browser supports fullscreen mode).
- if no fullscreen mode available,
_ 1024x768 recommended.
- no special hardware needed
_ (not testet below 400 MHz /128MB RAM)

- use mozilla 1.0 / netscape 6.x browsers on macOS
- does not run on netscape 4.x (macOS) !!
- "submit" currently non-functionable on
_ internet explorer (macOS)