Examine source code of RAF model 1

{
  "theme": {
    "images": {
      "theme_frame": "theme1h.jpg"
    },
    "colors": {
      "frame": "#f54c52",
      "tab_background_text": "#ed0c0c"
    }
  },
  "version": "2.0",
  "name": "RAF model 1",
  "manifest_version": 2,
  "description": "bright and clean-cut graphics pay homage to the WWI Royal Air Force"
}