Examine source code of R1919R

{
  "theme": {
    "images": {
      "theme_frame": "skrkaRR.jpg"
    },
    "colors": {
      "frame": "#161617",
      "tab_background_text": "#f0e109"
    }
  },
  "version": "2.0",
  "name": "R1919R",
  "manifest_version": 2,
  "description": "tylko ruch !"
}