Examine source code of Johnny Lizard

{
  "theme": {
    "images": {
      "theme_frame": "jl.persona.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Johnny Lizard",
  "manifest_version": 2,
  "description": "Cool Johnny Lizard Persona"
}