Examine source code of Tatort Ei

{
  "theme": {
    "images": {
      "theme_frame": "Eiertatort21.jpg"
    },
    "colors": {
      "frame": "#6b0303",
      "tab_background_text": "#faf7ed"
    }
  },
  "version": "2.0",
  "name": "Tatort Ei",
  "manifest_version": 2,
  "description": "Ei, Tat, Mord, Schlachtfeld, Visier, Spiegelei, Krimi, Tatort"
}