Examine source code of Bust_1983

{
  "theme": {
    "images": {
      "theme_frame": "Bust_1983.jpg"
    },
    "colors": {
      "frame": "#a29feb",
      "tab_background_text": "#120fab"
    }
  },
  "version": "2.0",
  "name": "Bust_1983",
  "manifest_version": 2
}