Examine source code of loving2pm

{
  "theme": {
    "images": {
      "theme_frame": "loving2pmheader.JPG"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#e09772"
    }
  },
  "version": "2.0",
  "name": "loving2pm",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/e9be685b6440438dc7037de82d6840c81592385b800d87800ec2f412e02720b3/http%3A//loving2pm.tumblr.com\" rel=\"nofollow\">loving2pm.tumblr.com</a>"
}