Examine source code of Ableton Dark

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ableton Dark",
  "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(255, 255, 255)",
      "frame": "rgb(20, 20, 20)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(25, 25, 25)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(55, 55, 55)",
      "popup": "rgb(40, 40, 40)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(242, 147, 31)",
      "button_background_hover": "rgb(81, 81, 81)",
      "icons_attention": "rgb(140, 202, 216)",
      "icons": "rgb(204, 204, 204)",
      "ntp_background": "rgb(20, 20, 20)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(40, 40, 40)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(71, 106, 119)",
      "tab_selected": "rgb(140, 202, 216)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_field_border_focus": "rgb(242, 147, 31)",
      "toolbar_field_focus": "rgb(25, 25, 25)",
      "toolbar_field_highlight": "rgb(71, 106, 119)",
      "tab_loading": "rgb(55, 55, 55)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6f997708-bb02-45d4-ad7d-c4e4f89c333f}"
    }
  }
}