Messing about with JavaScript
- https://johnstack.github.io/JavaScript-Sandpit/background_colour_mouse_movement.html
- https://johnstack.github.io/JavaScript-Sandpit/background_colour_time_of_day.html
- https://johnstack.github.io/JavaScript-Sandpit/big_cube_mouse_movement.html
- https://johnstack.github.io/JavaScript-Sandpit/small_cube_mouse_movement.html
- https://johnstack.github.io/JavaScript-Sandpit/trippy_cursor_colours.html
- https://johnstack.github.io/JavaScript-Sandpit/dots_track_mouse_coordinates