Examine source code of Blue Macaws

{
  "theme": {
    "images": {
      "theme_frame": "BlueMacaws-Header.jpg"
    },
    "colors": {
      "frame": "#0a0dc2",
      "tab_background_text": "#0a0dc2"
    }
  },
  "version": "2.0",
  "name": "Blue Macaws",
  "manifest_version": 2
}