Examine source code of Hebridean Seascape

{
  "theme": {
    "images": {
      "theme_frame": "Hebrideanseapainting2.jpg"
    },
    "colors": {
      "frame": "#0b0917",
      "tab_background_text": "#0b0917"
    }
  },
  "version": "2.0",
  "name": "Hebridean Seascape",
  "manifest_version": 2,
  "description": "A painting of the Hebridean seas, with a sailing boat on the horizon."
}