Examine source code of Roman mosaic

{
  "theme": {
    "images": {
      "theme_frame": "persona_romMosaic3.jpg"
    },
    "colors": {
      "frame": "#ffeecc",
      "tab_background_text": "#3d0845"
    }
  },
  "version": "2.0",
  "name": "Roman mosaic",
  "manifest_version": 2,
  "description": "Based on a 3rd century CE ancient Roman mosaic from a floor in Rome near the Termini train station.\nKeywords: mosaic, tile, tessera, Roma, Roman, antiquity, Greece\nBased on this image:\n<a href=\"https://outgoing.prod.mozaws.net/v1/5dcb4cf6ae64d2a9d020338ef259c70289f11b9ed921493c39fd9f084d19246d/http%3A//commons.wikimedia.org/wiki/File%3AMosaic_ducks_Massimo.jpg\" rel=\"nofollow\">http://commons.wikimedia.org/wiki/File:Mosaic_ducks_Massimo.jpg</a>"
}