Examine source code of The Black Dragon Attack

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#362c23",
      "tab_background_text": "#edac6b"
    }
  },
  "version": "2.0",
  "name": "The Black Dragon Attack",
  "manifest_version": 2,
  "description": "An armored, black dragon lights a smaller dragon on fire. \n\nOriginal image made by el-grimlock on DeviantArt\n(<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/7bed33c13a11bc74dab0ca5ad81a5abbb6f6cb7f7e6e70b321a02bf77c5a246d/https%3A//el-grimlock.deviantart.com/art/The-black-dragon-attack-PRINT-96534935\">https://el-grimlock.deviantart.com/art/The-black-dragon-attack-PRINT-96534935</a>)"
}