Examine source code of Chongo

{
  "theme": {
    "images": {
      "theme_frame": "chongo-header.jpg"
    },
    "colors": {
      "frame": "#7d400b",
      "tab_background_text": "#f77708"
    }
  },
  "version": "2.0",
  "name": "Chongo",
  "manifest_version": 2,
  "description": "Chongo the surfing monkey"
}