Examine source code of Fusion_forms

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#001b1f"
    }
  },
  "version": "2.0",
  "name": "Fusion_forms",
  "manifest_version": 2,
  "description": "This is an abstract firefox persona composed with orange color and green font designed to be easy for the eyes. This persona was build around a wallpaper which shall be released on 4th of June in my website"
}