Examine source code of the-killer

{
  "theme": {
    "images": {
      "theme_frame": "firefox1.JPG"
    },
    "colors": {
      "frame": "#e8dfdf",
      "tab_background_text": "#301b1b"
    }
  },
  "version": "2.0",
  "name": "the-killer",
  "manifest_version": 2,
  "description": "es el logo del club del gol de mendoza, al cual pertenezco!!!"
}