Examine source code of VenomXS1

{
  "theme": {
    "images": {
      "theme_frame": "headerVXS1.jpg"
    },
    "colors": {
      "frame": "#dbd8d8",
      "tab_background_text": "#faf9f7"
    }
  },
  "version": "2.0",
  "name": "VenomXS1",
  "manifest_version": 2,
  "description": "Here's my first try at a Persona design...\nUsing the image of my VenomXS Factory Five Racing Car, some text, and the FireFox Logo I created this Persona-Skin for your Mozilla FireFox Browser. I know some of you FFR builders will enjoy it."
}