Examine source code of Classic Netscape

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Netscape",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(216, 216, 216)",
      "toolbar_text": "rgb(7, 7, 7)",
      "frame": "rgb(216, 216, 216)",
      "tab_background_text": "rgb(7, 7, 7)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(7, 7, 7)",
      "tab_line": "rgb(216, 216, 216)",
      "popup": "rgb(216, 216, 216)",
      "popup_text": "rgb(7, 7, 7)",
      "button_background_active": "rgb(207, 221, 233)",
      "button_background_hover": "rgb(207, 221, 233)",
      "frame_inactive": "rgb(216, 216, 216)",
      "icons_attention": "rgb(0, 141, 149)",
      "icons": "rgb(0, 141, 149)",
      "ntp_background": "rgb(0, 141, 149)",
      "popup_border": "rgb(150, 150, 157)",
      "sidebar_border": "rgb(150, 150, 157)",
      "sidebar": "rgb(216, 216, 216)",
      "tab_selected": "rgb(246, 246, 246)",
      "tab_text": "rgb(7, 7, 7)",
      "toolbar_bottom_separator": "rgb(150, 150, 157)",
      "toolbar_field_border_focus": "rgb(150, 150, 157)",
      "toolbar_field_border": "rgb(150, 150, 157)",
      "toolbar_field_highlight": "rgb(0, 120, 215)",
      "toolbar_top_separator": "rgb(150, 150, 157)",
      "tab_loading": "rgb(216, 216, 216)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f34d0334-7451-45a8-b193-8309278744f8}"
    }
  }
}