Examine source code of childee

{
  "name": "childee",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "childee2.png"
    },
    "colors": {
      "frame": "rgba(95, 105, 128, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(110, 41, 41, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(181, 181, 181, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(181, 181, 181, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7b3e885c-d5c7-48bc-9f43-aeed215ee233}"
    }
  }
}