Examine source code of genius

{
  "theme": {
    "images": {
      "theme_frame": "header1.jpeg"
    },
    "colors": {
      "frame": "#a8f208",
      "tab_background_text": "#990f21"
    }
  },
  "version": "2.0",
  "name": "genius",
  "manifest_version": 2,
  "description": "World favorites"
}