Examine source code of Wild Fire

{
  "theme": {
    "images": {
      "theme_frame": "flames_header.jpg"
    },
    "colors": {
      "frame": "#ffff99",
      "tab_background_text": "#ffff99"
    }
  },
  "version": "2.0",
  "name": "Wild Fire",
  "manifest_version": 2,
  "description": "Flames that fights for every second to survive."
}