Examine source code of Horton Tower Distorted

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#cccec3",
      "tab_background_text": "#727570"
    }
  },
  "version": "2.0",
  "name": "Horton Tower Distorted",
  "manifest_version": 2,
  "description": "Horton Tower, a five storey red brick gothic observatory designed by Humphrey Sturt in 1750, near the village of Horton in Wiltshire, England. Image distorted in Photoshop."
}