Examine source code of New Year In Red

{
  "theme": {
    "images": {
      "theme_frame": "NewYearInRed.jpg"
    },
    "colors": {
      "frame": "#108c0e",
      "tab_background_text": "#299679"
    }
  },
  "version": "2.0",
  "name": "New Year In Red",
  "manifest_version": 2
}