Examine source code of Digital Forest 1.1

{
  "theme": {
    "images": {
      "theme_frame": "header4me.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#b397db"
    }
  },
  "version": "2.0",
  "name": "Digital Forest 1.1",
  "manifest_version": 2,
  "description": "looks great on 16:10 (1680x1050) and 16:9 (1920 x 1050)\nfor other resolutions contact me via e-mail\ncaffeineshock@web.de"
}