Examine source code of Raspberry Turnover

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Raspberry Turnover",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-001-9c6d74e14860e77ee6f8f43e824bff25.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(206, 185, 152, 0.7)",
      "toolbar_text": "rgba(157, 90, 34, 0.7)",
      "frame": "rgb(226, 187, 170)",
      "tab_background_text": "rgb(120, 16, 83)",
      "toolbar_field": "rgb(158, 106, 118)",
      "toolbar_field_text": "rgb(212, 143, 165)",
      "tab_line": "rgb(109, 42, 94)",
      "popup": "rgb(219, 189, 205)",
      "popup_text": "rgb(127, 15, 88)",
      "button_background_active": "rgb(195, 155, 122)",
      "button_background_hover": "rgba(207, 161, 123, 0.7)",
      "frame_inactive": "rgb(222, 197, 186)",
      "icons_attention": "rgb(195, 155, 122)",
      "icons": "rgba(138, 80, 33, 0.7)",
      "ntp_background": "rgb(71, 13, 44)",
      "ntp_text": "rgb(227, 139, 139)",
      "popup_border": "rgb(127, 15, 88)",
      "popup_highlight_text": "rgb(127, 15, 88)",
      "popup_highlight": "rgb(225, 161, 196)",
      "sidebar_border": "rgb(166, 90, 26)",
      "sidebar_highlight_text": "rgb(127, 15, 88)",
      "sidebar_highlight": "rgb(242, 236, 221)",
      "sidebar_text": "rgb(82, 36, 1)",
      "sidebar": "rgb(214, 188, 155)",
      "tab_background_separator": "rgb(120, 16, 83)",
      "tab_loading": "rgb(120, 16, 83)",
      "tab_selected": "rgba(255, 211, 240, 0)",
      "tab_text": "rgba(157, 90, 34, 0.7)",
      "toolbar_bottom_separator": "rgb(120, 16, 83)",
      "toolbar_field_border_focus": "rgb(158, 106, 118)",
      "toolbar_field_border": "rgb(120, 16, 83)",
      "toolbar_field_focus": "rgb(158, 106, 118)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgb(109, 42, 94)",
      "toolbar_field_separator": "rgb(120, 16, 83)",
      "toolbar_field_text_focus": "rgb(255, 255, 255)",
      "toolbar_top_separator": "rgb(120, 16, 83)",
      "toolbar_vertical_separator": "rgb(120, 16, 83)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5234b6f7-09dd-4041-aeca-da0fc9d8964b}"
    }
  }
}