Examine source code of Hyacinth water

{
  "theme": {
    "images": {
      "theme_frame": "DSC_2738_1firefox.jpg"
    },
    "colors": {
      "frame": "#347d2d",
      "tab_background_text": "#632a96"
    }
  },
  "version": "2.0",
  "name": "Hyacinth water",
  "manifest_version": 2,
  "description": "purple water in an old bottle, macro shot"
}