JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="tabs">
      <li><a href="#" name="#tab1">One</a></li>
      <li><a href="#" name="#tab2">Two</a></li>
      <li><a href="#" name="#tab3">Three</a></li>
      <li><a href="#" name="#tab4">Four</a></li>    
  </ul>

  <div id="content">
      <div id="tab1">
          <h2>Lorem ipsum sit amet</h2>
          <p>Praesent risus nisi, iaculis nec condimentum vel, rhoncus vel dolor. Aenean nisi lectus, varius nec tempus id, dapibus non quam.</p>
          <p>Suspendisse ac libero mauris. Cras lacinia porttitor urna, vitae molestie libero posuere et. Mauris turpis tortor, mollis non vulputate sit amet, rhoncus vitae purus.</p>
          <h3>Pellentesque habitant</h3>
          <p>Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia curae.</p>    
      </div>
      <div id="tab2">
          <h2>Vivamus fringilla suscipit justo</h2>
          <p>Aenean dui nulla, egestas sit amet auctor vitae, facilisis id odio. Donec dictum gravida feugiat.</p>
          <p>Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Cras pretium elit et erat condimentum et volutpat lorem vehicula</p>

          <p>Morbi tincidunt pharetra orci commodo molestie. Praesent ut leo nec dolor tempor eleifend.</p>    
      </div>
      <div id="tab3">
          <h2>Phasellus non nibh</h2>
          <p>Non erat laoreet ullamcorper. Pellentesque magna metus, feugiat eu elementum sit amet, cursus sed diam. Curabitur posuere porttitor lorem, eu malesuada tortor faucibus sed.</p>
          <h3>Duis pulvinar nibh vel urna</h3>
          <p>Donec purus leo, porttitor eu molestie quis, porttitor sit amet ipsum. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Donec accumsan ornare elit id imperdiet. </p>
          <p>Suspendisse ac libero mauris. Cras lacinia porttitor urna, vitae molestie libero posuere et. </p>
      </div>
      <div id="tab4">
          <h2>Cum sociis natoque...

CSS

#tabs {
    overflow: hidden;
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  #tabs li {
    float: left;
    margin: 0 -15px 0 0;
  }

  #tabs a {
    float: left;
    position: relative;
    padding: 0 40px;
    height: 0;
    line-height: 30px;
    text-transform: uppercase;
    text-decoration: none;
    color: #fff;      
    border-right: 30px solid transparent;
    border-bottom: 30px solid #3D3D3D;
    border-bottom-color: #777\9;
    opacity: .3;
    filter: alpha(opacity=30);      
  }

  #tabs a:hover,
  #tabs a:focus {
    border-bottom-color: #2ac7e1;
    opacity: 1;
    filter: alpha(opacity=100);
  }

  #tabs a:focus {
    outline: 0;
  }

  #tabs #current {
    z-index: 3;
    border-bottom-color: #3d3d3d;
    opacity: 1;
    filter: alpha(opacity=100);      
  }

JavaScript

function resetTabs(){
        $("#content > div").hide(); //Hide all content
        $("#tabs a").attr("id",""); //Reset id's      
    }

    var myUrl = window.location.href; //get URL
    var myUrlTab = myUrl.substring(myUrl.indexOf("#")); // For localhost/tabs.html#tab2, myUrlTab = #tab2     
    var myUrlTabName = myUrlTab.substring(0,4); // For the above example, myUrlTabName = #tab

    (function(){
        $("#content > div").hide(); // Initially hide all content
        $("#tabs li:first a").attr("id","current"); // Activate first tab
        $("#content > div:first").fadeIn(); // Show first tab content
        
        $("#tabs a").on("click",function(e) {
            e.preventDefault();
            if ($(this).attr("id") == "current"){ //detection for current tab
             return       
            }
            else{             
            resetTabs();
            $(this).attr("id","current"); // Activate this
            $($(this).attr('name')).fadeIn(); // Show content for current tab
            }
        });

        for (i = 1; i <= $("#tabs li").length; i++) {
          if (myUrlTab == myUrlTabName + i) {
              resetTabs();
              $("a[name='"+myUrlTab+"']").attr("id","current"); // Activate url tab
              $(myUrlTab).fadeIn(); // Show url tab content        
          }
        }
    })()