Examine source code of Mint green 21.2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Mint green 21.2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(43, 43, 43)",
      "toolbar_text": "rgb(62, 236, 109)",
      "frame": "rgb(43, 43, 43)",
      "tab_background_text": "rgb(225, 225, 225)",
      "toolbar_field": "rgb(49, 154, 78)",
      "toolbar_field_text": "rgb(6, 6, 6)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(53, 168, 84)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_hover": "rgb(49, 154, 78)",
      "icons": "rgb(225, 225, 225)",
      "ntp_background": "rgb(64, 64, 64)",
      "ntp_text": "rgb(229, 229, 229)",
      "popup_border": "rgb(37, 37, 37)",
      "popup_highlight": "rgb(62, 236, 109)",
      "sidebar_border": "rgb(62, 236, 109)",
      "sidebar_highlight_text": "rgb(62, 236, 109)",
      "sidebar_highlight": "rgba(108, 108, 108, 0.5)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(44, 44, 44)",
      "tab_selected": "rgb(53, 168, 84)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_bottom_separator": "rgb(6, 6, 6)",
      "toolbar_field_border_focus": "rgb(225, 225, 225)",
      "toolbar_field_border": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgb(255, 255, 255)",
      "toolbar_field_separator": "rgb(33, 33, 33)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0.51)",
      "toolbar_vertical_separator": "rgb(33, 33, 33)",
      "tab_loading": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1636c60a-e9c4-4c01-bfd5-fed3775e4439}"
    }
  }
}