Examine source code of Pete Distracted 2

{
  "theme": {
    "images": {
      "theme_frame": "header_mozilla_2.jpg"
    },
    "colors": {
      "frame": "#f79d1e",
      "tab_background_text": "#050000"
    }
  },
  "version": "2.0",
  "name": "Pete Distracted 2",
  "manifest_version": 2,
  "description": "vers. 2"
}