Examine source code of We Are Princesses

{
  "theme": {
    "images": {
      "theme_frame": "princess-persona.JPG"
    },
    "colors": {
      "frame": "#00d5ff",
      "tab_background_text": "#949494"
    }
  },
  "version": "2.0",
  "name": "We Are Princesses",
  "manifest_version": 2,
  "description": "Every Girl Is A Princess - \nso don't forget to treat us right!\n\nPuzzlePrincess@gmx.de"
}