Examine source code of Blue-Dream

{
  "theme": {
    "images": {
      "theme_frame": "theme.jpeg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Blue-Dream",
  "manifest_version": 2,
  "description": "Image belongs to <a href=\"https://outgoing.prod.mozaws.net/v1/854a97b32fa78d53dde65ad048adf2c17f9a56725186e637f11bb0501e9f11ba/http%3A//franflow.deviantart.com/\" rel=\"nofollow\">http://franflow.deviantart.com/</a>"
}