Examine source code of Green Checkerboard Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Green Checkerboardf",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.7)",
      "toolbar_text": "rgb(23, 188, 73)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(23, 188, 73)",
      "toolbar_field": "rgba(0, 0, 0, 0.7)",
      "toolbar_field_text": "rgb(23, 188, 73)",
      "tab_line": "rgba(23, 188, 73, 0.19)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(23, 188, 73)",
      "button_background_active": "rgb(0, 0, 0)",
      "button_background_hover": "rgba(23, 188, 73, 0.19)",
      "icons_attention": "rgb(62, 255, 121)",
      "icons": "rgb(23, 188, 73)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(38, 164, 75)",
      "popup_border": "rgba(23, 188, 73, 0.19)",
      "popup_highlight_text": "rgb(101, 255, 147)",
      "popup_highlight": "rgba(23, 188, 73, 0.19)",
      "sidebar_border": "rgba(23, 188, 73, 0.19)",
      "sidebar_highlight_text": "rgb(101, 255, 147)",
      "sidebar_highlight": "rgba(23, 188, 73, 0.19)",
      "sidebar_text": "rgb(23, 188, 73)",
      "sidebar": "rgb(0, 0, 0)",
      "tab_loading": "rgb(0, 0, 0)",
      "tab_selected": "rgba(30, 109, 49, 0.19)",
      "tab_text": "rgb(101, 255, 147)",
      "toolbar_bottom_separator": "rgba(23, 188, 73, 0.19)",
      "toolbar_field_border_focus": "rgba(23, 188, 73, 0.19)",
      "toolbar_field_border": "rgba(23, 188, 73, 0.19)",
      "toolbar_field_highlight_text": "rgb(126, 248, 163)",
      "toolbar_field_highlight": "rgba(23, 188, 73, 0.19)",
      "toolbar_field_separator": "rgba(23, 188, 73, 0.19)",
      "toolbar_field_text_focus": "rgb(23, 188, 73)",
      "toolbar_top_separator": "rgba(23, 188, 73, 0.19)",
      "toolbar_vertical_separator": "rgba(23, 188, 73, 0.19)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{77152fad-ca68-4e9f-89f3-e8fdac2b1185}"
    }
  }
}