Examine source code of Nebulous Argon

{
  "name": "Nebulous Argon",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "hd-blue-galaxy-nebula-for-computer-x7tblw58ru3zbqe4.jpg"
    },
    "colors": {
      "frame": "rgba(46, 71, 128, 1)",
      "tab_background_text": "rgba(7, 133, 171, 1)",
      "toolbar": "rgba(48, 45, 40, 1)",
      "toolbar_field": "rgba(237, 236, 234, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(237, 237, 237, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0bfa880a-80d7-438e-9660-09544cb40365}"
    }
  }
}