Examine source code of Dracula Theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#44475a",
      "tab_background_text": "#f8f8f2"
    }
  },
  "version": "2.0",
  "name": "Dracula Theme",
  "manifest_version": 2,
  "description": "A solid color to match Dracula Theme - <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/20d7b2ee919724ea78b0b256eccf87998697d357f3dfd1835405190a72499ce9/https%3A//draculatheme.com/\">https://draculatheme.com/</a>"
}