Examine source code of Golden Twilight

{
  "theme": {
    "images": {
      "theme_frame": "goldentwilightheader.JPG"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#fcd79c"
    }
  },
  "version": "2.0",
  "name": "Golden Twilight",
  "manifest_version": 2,
  "description": "Golden rays of sun tucking away for the night embracing the clouds as it descends.\nBy Paradoxus."
}