Examine source code of Honolulu Blues

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#5398d9",
      "tab_background_text": "#0a446b"
    }
  },
  "version": "2.0",
  "name": "Honolulu Blues",
  "manifest_version": 2,
  "description": "A Beautiful Blue Sky, recreated to stimulate the tropical tone of a sunny and warm summer day in Honolulu. I can even smell the suntan oil!"
}