Examine source code of Archytas

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Archytas",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(18, 22, 30)",
      "toolbar_text": "rgb(207, 209, 217)",
      "frame": "rgb(10, 11, 11)",
      "tab_background_text": "rgb(226, 229, 239)",
      "toolbar_field": "rgb(18, 22, 30)",
      "toolbar_field_text": "rgb(255, 158, 100)",
      "tab_line": "rgb(56, 75, 108)",
      "popup": "rgb(18, 22, 30)",
      "popup_text": "rgb(255, 158, 100)",
      "button_background_active": "rgb(41, 46, 72)",
      "button_background_hover": "rgb(39, 41, 60)",
      "icons_attention": "rgb(253, 178, 43)",
      "icons": "rgb(219, 75, 75)",
      "ntp_background": "rgb(23, 27, 37)",
      "ntp_text": "rgb(226, 228, 239)",
      "popup_highlight_text": "rgb(226, 228, 239)",
      "popup_highlight": "rgb(62, 63, 77)",
      "sidebar_border": "rgb(255, 158, 100)",
      "sidebar_highlight_text": "rgb(226, 228, 239)",
      "sidebar_highlight": "rgb(62, 63, 77)",
      "sidebar_text": "rgb(226, 228, 239)",
      "sidebar": "rgb(23, 27, 37)",
      "tab_text": "rgb(226, 228, 239)",
      "toolbar_field_border_focus": "rgb(81, 83, 101)",
      "toolbar_field_border": "rgb(73, 76, 105)",
      "toolbar_field_highlight": "rgb(35, 43, 56)",
      "toolbar_vertical_separator": "rgb(154, 163, 233)",
      "tab_loading": "rgb(56, 75, 108)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5b8acac6-dc21-48d1-936a-8ba79278b2d7}"
    }
  }
}