Examine source code of The abyss 2

{
  "theme": {
    "images": {
      "theme_frame": "persona45a.jpg"
    },
    "colors": {
      "frame": "#54e3ba",
      "tab_background_text": "#c2bebe"
    }
  },
  "version": "2.0",
  "name": "The abyss 2",
  "manifest_version": 2
}