Examine source code of Determined 47

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#170000",
      "tab_background_text": "#bdbdbd"
    }
  },
  "version": "2.0",
  "name": "Determined 47",
  "manifest_version": 2,
  "description": "Throwing my hat into the make-a-theme ring. Enjoy. \nImage credits to Hitman wiki and Steam's background: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/df937ccd52bfd7f4ba1a19155270e944529dfe3b772f545f5049b8b330fe6ca6/http%3A//steamcommunity.com/market/listings/753/203140-Determined\">http://steamcommunity.com/market/listings/753/203140-Determined</a>"
}