Examine source code of Mystical Deep Forest

{
  "theme": {
    "images": {
      "theme_frame": "1.png"
    },
    "colors": {
      "frame": "#2a7e85",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Mystical Deep Forest",
  "manifest_version": 2,
  "description": "Based on a wallpaper I made."
}