Examine source code of Deep Blue Dream

{
  "manifest_version": 2,
  "version": "2.1",
  "name": "Deep Blue Dream",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(19, 36, 51)",
      "toolbar_text": "rgb(67, 194, 218)",
      "frame": "rgb(12, 21, 46)",
      "tab_background_text": "rgb(42, 91, 134)",
      "toolbar_field": "rgb(38, 72, 102)",
      "toolbar_field_text": "rgb(211, 211, 211)",
      "tab_line": "rgb(53, 168, 187)",
      "popup": "rgb(38, 72, 102)",
      "popup_text": "rgb(211, 211, 211)",
      "button_background_active": "rgb(31, 48, 63)",
      "button_background_hover": "rgb(42, 91, 134)",
      "frame_inactive": "rgb(31, 48, 63)",
      "icons_attention": "rgb(232, 134, 5)",
      "icons": "rgb(67, 194, 218)",
      "ntp_background": "rgb(19, 36, 51)",
      "ntp_text": "rgb(67, 194, 218)",
      "popup_border": "rgb(38, 72, 102)",
      "popup_highlight_text": "rgb(67, 194, 218)",
      "popup_highlight": "rgb(67, 194, 218)",
      "sidebar_border": "rgb(19, 36, 51)",
      "sidebar_text": "rgb(67, 194, 218)",
      "sidebar": "rgb(19, 36, 51)",
      "tab_background_separator": "rgb(38, 72, 102)",
      "tab_loading": "rgb(67, 194, 218)",
      "tab_selected": "rgb(19, 36, 51)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(19, 36, 51)",
      "toolbar_field_separator": "rgb(19, 36, 51)",
      "toolbar_top_separator": "rgb(19, 36, 51)",
      "toolbar_vertical_separator": "rgb(19, 36, 51)"
    }
  }
}