Examine source code of Wolves Waterfall

{
  "name": "Wolves Waterfall",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "WolvesWaterfallH1copy.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(178, 220, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(186, 224, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.07)",
      "toolbar_field_text": "rgba(217, 227, 255, 1)",
      "tab_line": "rgba(217, 219, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ff398ccf-fdea-48ea-a740-44501cef5ff7}"
    }
  }
}