Examine source code of Brain Neuron

{
  "theme": {
    "images": {
      "theme_frame": "MeadowsProduction-NeuronBrowserBarColorChangecopy.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Brain Neuron",
  "manifest_version": 2,
  "description": "Here is an image of different brain Neurons that are currently doing all the thinking for  you this very second."
}