Examine source code of bbot v2 fox

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "bbot_fox_v2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(30, 30, 30)",
      "toolbar_text": "rgb(127, 72, 163)",
      "frame": "rgb(20, 20, 20)",
      "tab_background_text": "rgb(170, 170, 170)",
      "toolbar_field": "rgb(20, 20, 20)",
      "toolbar_field_text": "rgb(170, 170, 170)",
      "tab_line": "rgb(127, 72, 163)",
      "popup": "rgb(20, 20, 20)",
      "popup_text": "rgb(255, 255, 255)",
      "icons_attention": "rgb(127, 72, 163)",
      "icons": "rgb(127, 72, 163)",
      "popup_border": "rgb(15, 15, 15)",
      "sidebar_border": "rgb(127, 72, 163)",
      "tab_background_separator": "rgb(5, 5, 5)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(15, 15, 15)",
      "toolbar_field_border_focus": "rgb(127, 72, 163)",
      "toolbar_field_border": "rgb(15, 15, 15)",
      "toolbar_field_highlight_text": "rgb(127, 72, 163)",
      "toolbar_field_highlight": "rgba(127, 72, 163, 0.38)",
      "tab_loading": "rgb(127, 72, 163)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b77f137c-110f-4796-a319-d0bd891072db}"
    }
  }
}