Examine source code of Space Protogen Theme

{
  "name": "wp6419095-protogen-computer-wallpapers",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Firefox_Theme_Header.jpg"
    },
    "colors": {
      "frame": "rgba(64, 33, 115, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(144, 25, 255, 0.38)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(3, 3, 3, 0.29)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{78cec3f2-90c1-4a29-b16c-0ff255976717}"
    }
  }
}