Examine source code of discord

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "discord",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(31, 31, 39)",
      "toolbar_text": "rgb(254, 253, 255)",
      "frame": "rgb(31, 31, 39)",
      "tab_background_text": "rgb(165, 164, 170)",
      "toolbar_field": "rgb(54, 54, 66)",
      "toolbar_field_text": "rgb(162, 150, 234)",
      "tab_line": "rgb(108, 245, 175)",
      "popup": "rgb(54, 54, 66)",
      "popup_text": "rgb(162, 150, 234)",
      "button_background_active": "rgb(54, 54, 66)",
      "button_background_hover": "rgba(54, 54, 66, 0.5)",
      "icons_attention": "rgb(249, 136, 122)",
      "icons": "rgb(162, 150, 234)",
      "ntp_background": "rgb(31, 31, 39)",
      "ntp_text": "rgb(254, 253, 255)",
      "popup_border": "rgb(54, 54, 66)",
      "sidebar_border": "rgba(54, 54, 66, 0.5)",
      "sidebar_highlight": "rgb(91, 110, 179)",
      "sidebar_text": "rgb(254, 253, 255)",
      "sidebar": "rgb(31, 31, 39)",
      "tab_loading": "rgb(249, 136, 122)",
      "tab_selected": "rgb(54, 54, 66)",
      "toolbar_bottom_separator": "rgba(31, 31, 39, 0)",
      "toolbar_field_border_focus": "rgba(162, 150, 234, 0)",
      "toolbar_field_border": "rgba(162, 150, 234, 0)",
      "toolbar_field_focus": "rgb(54, 54, 66)",
      "toolbar_field_highlight_text": "rgb(254, 253, 255)",
      "toolbar_field_highlight": "rgb(91, 110, 179)",
      "toolbar_field_text_focus": "rgb(162, 150, 234)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0)",
      "toolbar_vertical_separator": "rgb(162, 150, 234)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{75386413-b642-4cb4-adad-24e507604bb3}"
    }
  }
}