Examine source code of Hamilton Tartan

{
  "theme": {
    "images": {
      "theme_frame": "Hamilton-Tartan-Header.jpg"
    },
    "colors": {
      "frame": "#030b40",
      "tab_background_text": "#fcfa97"
    }
  },
  "version": "2.0",
  "name": "Hamilton Tartan",
  "manifest_version": 2,
  "description": "Hamilton Clan Tartan"
}