Examine source code of Cardoon inflorescence

{
  "theme": {
    "images": {
      "theme_frame": "cardoon_header.jpg"
    },
    "colors": {
      "frame": "#1e4684",
      "tab_background_text": "#ccccff"
    }
  },
  "version": "2.0",
  "name": "Cardoon inflorescence",
  "manifest_version": 2,
  "description": "The spiky purple flowers of the cardoon (Cynara cardunculus), also known as the artichoke thistle, with a blurred bee burrowing at the bottom (probably out of sight on your browser)"
}