Examine source code of Quiet everywhere

{
  "theme": {
    "images": {
      "theme_frame": "tlo.jpg"
    },
    "colors": {
      "frame": "#ababab",
      "tab_background_text": "#e3e3e3"
    }
  },
  "version": "2.0",
  "name": "Quiet everywhere",
  "manifest_version": 2,
  "description": "Just a nice, climatic persona for people, who likes things clean and easy. Feel free to use, thanks!"
}