Examine source code of Dounas

{
  "theme": {
    "images": {
      "theme_frame": "OBERTEIL.jpg"
    },
    "colors": {
      "frame": "#5c0707",
      "tab_background_text": "#c99a9a"
    }
  },
  "version": "2.0",
  "name": "Dounas",
  "manifest_version": 2,
  "description": "ARTIFEX DOUNAS MUSIC YOUTUBE, erlangen Deutschland"
}