Examine source code of Brains

{
  "theme": {
    "images": {
      "theme_frame": "BrainSurfeBorderH1.jpg"
    },
    "colors": {
      "frame": "#381111",
      "tab_background_text": "#120405"
    }
  },
  "version": "2.0",
  "name": "Brains",
  "manifest_version": 2,
  "description": "This is what your Brain looks like under x-ray vision"
}