Examine source code of CPS Test New Tab

{
  "name": "White Poppies",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "oie_HoguA2pijmtx.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(214, 34, 34, 1)",
      "toolbar": "rgba(204, 96, 96, 0.46)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(224, 90, 220, 0.46)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(204, 29, 29, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3f4aba8f-f9ba-4aac-9879-c2229b33f4cb}"
    }
  }
}