Examine source code of Neverwinter Witch Sisters

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#e3e3e3",
      "tab_background_text": "#363636"
    }
  },
  "version": "2.0",
  "name": "Neverwinter Witch Sisters",
  "manifest_version": 2,
  "description": "Custom theme created from a screenshot taken on Neverwinter Online Module 5 Rise of Tiamat, place is the entrance to Sharandar, and chars are Tabris (Scourge Warlock) and Lilyth (Devoted Cleric), which represents the evil/good witches."
}