Examine source code of oh no 2012

{
  "theme": {
    "images": {
      "theme_frame": "2012oh.jpg"
    },
    "colors": {
      "frame": "#300202",
      "tab_background_text": "#6e0101"
    }
  },
  "version": "2.0",
  "name": "oh no 2012",
  "manifest_version": 2,
  "description": "2012 is near."
}