Examine source code of personalcollection0000

{
  "theme": {
    "images": {
      "theme_frame": "FirefoxBanner.jpg"
    },
    "colors": {
      "frame": "#0040ff",
      "tab_background_text": "#090cde"
    }
  },
  "version": "2.0",
  "name": "personalcollection0000",
  "manifest_version": 2,
  "description": "collection of my favorite pictures. made solely for my own use, but if you like it, feel free to use it."
}