JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.min.js"></script>
<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css">
<div id="tabs" class="tabs-bottom ui-tabs ui-widget ui-widget-content ui-corner-all">
    <div id="ui-tabs-1" class="ui-tabs-panel ui-widget-content ui-corner-bottom" aria-live="polite" aria-labelledby="ui-id-1" role="tabpanel" aria-expanded="true" aria-hidden="false">
        <div>
            <ul>
                <li><a href="deny.html">e-sklep</a>
                </li>
            </ul>
        </div>
    </div>
    <div id="ui-tabs-2" class="ui-tabs-panel ui-widget-content ui-corner-bottom" aria-live="polite" aria-labelledby="ui-id-2" role="tabpanel" aria-expanded="false" aria-hidden="true" style="display: none;"></div>
    <div class="tabs-spacer" style="height:0px"></div>
    <ul class="ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-bottom" role="tablist">
        <li role="tab" class="ui-state-default ui-tabs-active ui-state-active ui-corner-bottom" tabindex="0" aria-controls="ui-tabs-1" aria-labelledby="ui-id-1" aria-selected="true"><a href="tab_index.html?ctx=1" role="presentation" class="ui-tabs-anchor" tabindex="-1" id="ui-id-1">HEADQUARTER</a>
        </li>
        <li role="tab" class="ui-state-default ui-corner-bottom" tabindex="-1" aria-controls="ui-tabs-2" aria-labelledby="ui-id-2" aria-selected="false"><a href="tab_index.html?ctx=1" role="presentation" class="ui-tabs-anchor" tabindex="-1" id="ui-id-2">HEADQUARTER</a>
        </li>
    </ul>
</div>

CSS

.ui-tabs-panel .ui-widget-content .ui-corner-bottom{
  height:30px; 
}

JavaScript

$(function () {
          var tabs = $("#tabs").tabs({
              beforeLoad: function (event, ui) {
                  ui.jqXHR.error(function () {
                      ui.panel.html(
                          "Couldn't load this tab. We'll try to fix this as soon as possible. " +
                          "If this wouldn't be a demo.");
                  });
              }
          });
          // move the nav to the bottom
          $(".tabs-bottom .ui-tabs-nav").appendTo(".tabs-bottom");

          // TB: zmiana zawartości
          $.changeContent = function (url) {
              var currentTabIndex = tabs.tabs("option", "active");
              var tab = $(tabs.data('uiTabs').tabs[currentTabIndex]);
              tab.find('.ui-tabs-anchor').attr('href', url);
              // If cached initially. Remove cache then
              tab.data("loaded", false);
              tabs.tabs("load", currentTabIndex);
          }
          // TB: actual addTab function: adds new tab using the input from the form above

          $.addTab = function (nazwa, url, ctx) {
              tabs.find(".ui-tabs-nav").append('<li role="presentation"><a href="tab_struktura.html" role="tab">Nazwa</a> <span class="ui-icon ui-icon-close" role="presentation">Remove Tab</span></li>');

              tabs.tabs("refresh");
          }

      });