Examine source code of xsetroot

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "xsetroot",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(7, 50, 84, 0.05)",
      "toolbar_text": "rgba(31, 139, 212, 0.81)",
      "frame": "rgb(64, 64, 79)",
      "tab_background_text": "rgb(153, 151, 136)",
      "toolbar_field": "rgba(0, 0, 0, 0.15)",
      "toolbar_field_text": "rgb(243, 241, 237)",
      "tab_line": "rgba(31, 139, 212, 0.81)",
      "popup": "rgb(7, 50, 84)",
      "popup_text": "rgba(60, 212, 31, 0.53)",
      "button_background_active": "rgba(16, 205, 103, 0.08)",
      "button_background_hover": "rgba(101, 121, 164, 0.4)",
      "frame_inactive": "rgba(14, 14, 13, 0.06)",
      "icons_attention": "rgba(244, 225, 9, 0.73)",
      "icons": "rgba(31, 139, 212, 0.81)",
      "ntp_background": "rgba(241, 244, 246, 0.05)",
      "ntp_text": "rgba(31, 212, 148, 0.81)",
      "popup_border": "rgba(76, 212, 31, 0.59)",
      "popup_highlight_text": "rgb(217, 242, 11)",
      "popup_highlight": "rgba(7, 50, 84, 0.05)",
      "sidebar_border": "rgba(31, 139, 212, 0.81)",
      "sidebar_highlight_text": "rgba(60, 212, 31, 0.96)",
      "sidebar_highlight": "rgb(217, 242, 11)",
      "sidebar_text": "rgb(243, 241, 237)",
      "sidebar": "rgb(64, 64, 79)",
      "tab_background_separator": "rgba(60, 212, 31, 0.57)",
      "tab_loading": "rgba(238, 244, 9, 0.54)",
      "tab_selected": "rgba(0, 0, 0, 0.39)",
      "tab_text": "rgba(244, 225, 9, 0.73)",
      "toolbar_bottom_separator": "rgba(31, 139, 212, 0.81)",
      "toolbar_field_border_focus": "rgba(48, 50, 51, 0.81)",
      "toolbar_field_border": "rgba(31, 139, 212, 0.81)",
      "toolbar_field_focus": "rgba(35, 37, 38, 0.5)",
      "toolbar_field_highlight_text": "rgba(114, 220, 105, 0.95)",
      "toolbar_field_highlight": "rgba(31, 139, 212, 0.81)",
      "toolbar_field_separator": "rgba(0, 0, 0, 0.18)",
      "toolbar_field_text_focus": "rgba(238, 244, 9, 0.91)",
      "toolbar_top_separator": "rgba(76, 212, 31, 0)",
      "toolbar_vertical_separator": "rgba(31, 139, 212, 0.81)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9c908a3d-a69b-4a24-a84e-cf21ee037e0f}"
    }
  }
}