Examine source code of Dac's Revised Dark Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Revised Dark Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(112, 193, 194)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(113, 156, 156)",
      "toolbar_field": "rgba(0, 0, 0, 0.53)",
      "toolbar_field_text": "rgb(31, 195, 180)",
      "tab_line": "rgb(223, 178, 18)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(97, 122, 140)",
      "button_background_active": "rgb(33, 33, 34)",
      "button_background_hover": "rgb(28, 65, 125)",
      "frame_inactive": "rgb(0, 0, 0)",
      "icons_attention": "rgb(31, 109, 223)",
      "icons": "rgb(139, 127, 24)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(102, 192, 203)",
      "popup_border": "rgba(30, 237, 237, 0.53)",
      "popup_highlight_text": "rgb(215, 184, 27)",
      "popup_highlight": "rgb(55, 56, 57)",
      "sidebar_border": "rgb(30, 37, 37)",
      "sidebar_highlight_text": "rgb(68, 202, 202)",
      "sidebar_highlight": "rgb(23, 25, 25)",
      "sidebar_text": "rgb(117, 126, 128)",
      "sidebar": "rgb(5, 5, 10)",
      "tab_background_separator": "rgba(33, 33, 157, 0.25)",
      "tab_loading": "rgb(0, 0, 0)",
      "tab_selected": "rgba(0, 0, 0, 0.57)",
      "tab_text": "rgb(166, 149, 16)",
      "toolbar_bottom_separator": "rgb(27, 34, 34)",
      "toolbar_field_border_focus": "rgb(153, 160, 168)",
      "toolbar_field_border": "rgba(21, 182, 182, 0.8)",
      "toolbar_field_focus": "rgb(23, 50, 89)",
      "toolbar_field_highlight_text": "rgb(215, 184, 27)",
      "toolbar_field_highlight": "rgb(6, 30, 66)",
      "toolbar_field_separator": "rgb(179, 221, 221)",
      "toolbar_field_text_focus": "rgb(165, 198, 218)",
      "toolbar_top_separator": "rgb(4, 6, 6)",
      "toolbar_vertical_separator": "rgb(200, 145, 21)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d4e27ecf-9cba-47bf-8aba-a036edb4d834}"
    }
  }
}