Examine source code of Updated Chocolate Donut

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Updated Chocolate Donut",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-024-8de86d890779309c9a66423c64daa480.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(246, 208, 135)",
      "toolbar_text": "rgb(108, 66, 32)",
      "frame": "rgb(108, 66, 32)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(179, 126, 82)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(108, 66, 32)",
      "popup": "rgb(179, 126, 82)",
      "popup_text": "rgb(108, 66, 32)",
      "button_background_active": "rgb(155, 104, 62)",
      "button_background_hover": "rgb(179, 126, 82)",
      "icons_attention": "rgb(108, 66, 32)",
      "tab_background_separator": "rgb(246, 208, 135)",
      "toolbar_bottom_separator": "rgb(108, 66, 32)",
      "toolbar_field_border_focus": "rgb(108, 66, 32)",
      "toolbar_field_border": "rgb(108, 66, 32)",
      "toolbar_field_highlight_text": "rgb(108, 66, 32)",
      "toolbar_field_highlight": "rgb(246, 208, 135)",
      "toolbar_field_separator": "rgb(108, 66, 32)",
      "toolbar_top_separator": "rgb(108, 66, 32)",
      "toolbar_vertical_separator": "rgb(108, 66, 32)",
      "tab_loading": "rgb(108, 66, 32)"
    }
  }
}