Examine source code of gerry 2

{
  "name": "gerry 2",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "gerry-9.gif"
    },
    "colors": {
      "frame": "rgba(194, 251, 255, 0.24)",
      "tab_background_text": "rgba(255, 217, 217, 1)",
      "bookmark_text": "rgba(255, 219, 219, 1)",
      "toolbar_field_text": "rgba(255, 224, 224, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{454fd418-7075-437b-8251-dc4e01631304}"
    }
  }
}