Examine source code of Mediterranean-GTK

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#616161",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Mediterranean-GTK",
  "manifest_version": 2,
  "description": "This theme is designed to complement the Gnome theme MediterraneanNight/Light/Dark here: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/725d9fd4d8fabea44a4976032ff648a4890a1fb180f19a0c3936ac4992891ae2/http%3A//gnome-look.org/content/show.php/MediterraneanNight%2BSeries%3Fcontent=156782\">http://gnome-look.org/content/show.php/MediterraneanNight+Series?content=156782</a>"
}