Examine source code of Burned notes

{
  "theme": {
    "images": {
      "theme_frame": "Hotnotes.png"
    },
    "colors": {
      "frame": "#c2b8b8",
      "tab_background_text": "#d8d8ed"
    }
  },
  "version": "2.0",
  "name": "Burned notes",
  "manifest_version": 2
}