Examine source code of Forest Haze

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#021c00"
    }
  },
  "version": "2.0",
  "name": "Forest Haze",
  "manifest_version": 2,
  "description": "This is my first try at a persona - A pale (some might say foggy) view into a forest."
}