Examine source code of Double-G

{
  "theme": {
    "images": {
      "theme_frame": "firefox_skin_jodi_header_1copy.jpg"
    },
    "colors": {
      "frame": "#544b4b",
      "tab_background_text": "#080808"
    }
  },
  "version": "2.0",
  "name": "Double-G",
  "manifest_version": 2,
  "description": "this was inspired off my older sister. I love her for showing me this place of designs and for that I made for her a person of her nickname along with some designs."
}