Examine source code of Sundown in the Forest

{
  "theme": {
    "images": {
      "theme_frame": "Sonnenuntergang_im_Wald_header.jpg"
    },
    "colors": {
      "frame": "#ff6200",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Sundown in the Forest",
  "manifest_version": 2,
  "description": "The Sunset was photographed out of the window of a driving car.\nDer Sonnenuntergang wurde aus dem fahrenden Auto heraus fotografiert."
}