Examine source code of IceBerg theme

{
  "theme": {
    "images": {
      "theme_frame": "iceBerg_oben.jpg"
    },
    "colors": {
      "frame": "#707070",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "IceBerg theme",
  "manifest_version": 2,
  "description": "Have fun with my 2nd persona^^"
}