Examine source code of Brainiac

{
  "theme": {
    "images": {
      "theme_frame": "Neuronheader1.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Brainiac",
  "manifest_version": 2,
  "description": "According to the CDC, 1.4 million people sustain a brain injury each year. Show your beautiful brain some love and wear a helmet!\n\nFor more info visit <a href=\"https://outgoing.prod.mozaws.net/v1/a0aad413e6bd8e9317f855cedbfe82f830aeef3135a85a9da0bbb54eccba117c/http%3A//biausa.org\" rel=\"nofollow\">biausa.org</a>\n\n\nSpecial Thanks to Flickr users  Labquest and Razorsmile, and Methoxyroxy on Wikimedia commons for the images."
}