Examine source code of Viria's Marauders

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#f2dc9b",
      "tab_background_text": "#a60000"
    }
  },
  "version": "2.0",
  "name": "Viria's Marauders",
  "manifest_version": 2,
  "description": "Sirius, James, and Remus from Harry Potter.\nI DO NOT OWN THIS ART. This belongs to Viria, who you can find @ <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/02036d8e00a155c4d0b8cd0029654ad4a9bb1696b1d5e357815d60f6b9ceb118/http%3A//Viria.tumblr.com\">Viria.tumblr.com</a>"
}