Examine source code of The Webmaster

{
  "theme": {
    "images": {
      "theme_frame": "persona1.png"
    },
    "colors": {
      "frame": "#1f1f1f",
      "tab_background_text": "#1ca115"
    }
  },
  "version": "2.0",
  "name": "The Webmaster",
  "manifest_version": 2,
  "description": "Something I made for my home computer, I hope you like it as well!"
}