Examine source code of TreeofArmageddon

{
  "theme": {
    "images": {
      "theme_frame": "armegedontreehdr.jpg"
    },
    "colors": {
      "frame": "#f00808",
      "tab_background_text": "#e1f00c"
    }
  },
  "version": "2.0",
  "name": "TreeofArmageddon",
  "manifest_version": 2,
  "description": "A picture of a baron tree during sunset cropped and colorized."
}