Examine source code of Crossscope Lotto

{
  "theme": {
    "images": {
      "theme_frame": "Presona1.jpg"
    },
    "colors": {
      "frame": "#006e6c",
      "tab_background_text": "#118200"
    }
  },
  "version": "2.0",
  "name": "Crossscope Lotto",
  "manifest_version": 2,
  "description": "This is a background promoting my youtube channel. Crossscope."
}