drop you ja and css in a directory, start a little python -m http.server on that dir, then
Options>Theme
@import "http://127.0.0.1/8kun.css";[/code]Options>UserJs[code]load_js("http://127.0.0.1/my.js");
with 8kun.css and 'my.js' seasoned to taste.
export the options to the file, then after reload, you get it all back with a skinny options file.