Examine source code of Giotto Taru

{
  "theme": {
    "images": {
      "theme_frame": "bannert.png"
    },
    "colors": {
      "frame": "#c30ffa",
      "tab_background_text": "#00ffd0"
    }
  },
  "version": "2.0",
  "name": "Giotto Taru",
  "manifest_version": 2,
  "description": "Giotto and his family :D"
}