Examine source code of diana mini

{
  "theme": {
    "images": {
      "theme_frame": "diana.jpg"
    },
    "colors": {
      "frame": "#fcf9f9",
      "tab_background_text": "#c5f9fa"
    }
  },
  "version": "2.0",
  "name": "diana mini",
  "manifest_version": 2,
  "description": "for all diana lovers"
}