Examine source code of Watercolours

{
  "theme": {
    "images": {
      "theme_frame": "watercolorHeader.jpg"
    },
    "colors": {
      "frame": "#d490eb",
      "tab_background_text": "#d490eb"
    }
  },
  "version": "2.0",
  "name": "Watercolours",
  "manifest_version": 2,
  "description": "Just a little something I made to match my computer background. Enjoy."
}