Examine source code of Squiggle lines

{
  "theme": {
    "images": {
      "theme_frame": "SquiggleLinesBySasha.jpg"
    },
    "colors": {
      "frame": "#ccc8c8",
      "tab_background_text": "#29595e"
    }
  },
  "version": "2.0",
  "name": "Squiggle lines",
  "manifest_version": 2,
  "description": "Squiggle lines by Sasha"
}