Examine source code of Layton Stuffs

{
  "theme": {
    "images": {
      "theme_frame": "laytonfirefoxpersonaheader.PNG"
    },
    "colors": {
      "frame": "#d9e9eb",
      "tab_background_text": "#693725"
    }
  },
  "version": "2.0",
  "name": "Layton Stuffs",
  "manifest_version": 2,
  "description": "By Kristin-with-an-I from the site DeviantArt, I claim no credit for this artwork/style, I just made an enjoyable persona with it. :D"
}