bootstrap tabs

 <ul class="nav nav-tabs">
  <li class="active"><a data-toggle="tab" href="#home">Home</a></li>
  <li><a data-toggle="tab" href="#menu1">Menu 1</a></li>
  <li><a data-toggle="tab" href="#menu2">Menu 2</a></li>

 </ul>

<div class="tab-content">
  <div id="home" class="tab-pane fade in active">
    <h3>HOME</h3>
    <p>Some content.</p>
  </div>
  <div id="menu1" class="tab-pane fade">
    <h3>Menu 1</h3>
    <p>Some content in menu 1.</p>
  </div>
  <div id="menu2" class="tab-pane fade">
    <h3>Menu 2</h3>
    <p>Some content in menu 2.</p>
  </div>
</div>
 

<div>

  <!-- Nav tabs -->
  <ul class="nav nav-tabs" role="tablist">
    <li role="presentation" class="active"><a href="#home" aria-controls="home" role="tab" data-toggle="tab">Home</a></li>
    <li role="presentation"><a href="#profile" aria-controls="profile" role="tab" data-toggle="tab">Profile</a></li>
    <li role="presentation"><a href="#messages" aria-controls="messages" role="tab" data-toggle="tab">Messages</a></li>
    <li role="presentation"><a href="#settings" aria-controls="settings" role="tab" data-toggle="tab">Settings</a></li>
  </ul>

  <!-- Tab panes -->
  <div class="tab-content">
    <div role="tabpanel" class="tab-pane active" id="home">...</div>
    <div role="tabpanel" class="tab-pane" id="profile">...</div>
    <div role="tabpanel" class="tab-pane" id="messages">...</div>
    <div role="tabpanel" class="tab-pane" id="settings">...</div>
  </div>

</div>

<!-- SM: this is bootstrap 4 tabbed panel -->

<ul class="nav nav-tabs" id="myTab" role="tablist">
  <li class="nav-item">
    <a class="nav-link active" id="home-tab" data-toggle="tab" href="#home" role="tab" aria-controls="home" aria-selected="true">Home</a>
  </li>
  <li class="nav-item">
    <a class="nav-link" id="profile-tab" data-toggle="tab" href="#profile" role="tab" aria-controls="profile" aria-selected="false">Profile</a>
  </li>
  <li class="nav-item">
    <a class="nav-link" id="contact-tab" data-toggle="tab" href="#contact" role="tab" aria-controls="contact" aria-selected="false">Contact</a>
  </li>
</ul>
<div class="tab-content" id="myTabContent">
  <div class="tab-pane fade show active" id="home" role="tabpanel" aria-labelledby="home-tab">...</div>
  <div class="tab-pane fade" id="profile" role="tabpanel" aria-labelledby="profile-tab">...</div>
  <div class="tab-pane fade" id="contact" role="tabpanel" aria-labelledby="contact-tab">...</div>
</div>

  <!-- Tab links -->
<div class="tab">
  <button class="tablinks" onclick="openCity(event, 
  'London')">London</button>
  <button class="tablinks" onclick="openCity(event, 
  'Paris')">Paris</button>
  <button class="tablinks" onclick="openCity(event, 
  'Tokyo')">Tokyo</button>

</div>

<!-- Tab content -->
<div id="London" class="tabcontent">
  <h3>London</h3>
  
<p>London is the capital city of England.</p>
</div>

<div 
id="Paris" class="tabcontent">
  <h3>Paris</h3>
  <p>Paris 
is the capital of France.</p> 
</div>

<div id="Tokyo" class="tabcontent">
  
<h3>Tokyo</h3>
  <p>Tokyo is the capital of Japan.</p>
</div> 

  /* Style the tab */
.tab {
  overflow: hidden;
  
  border: 1px solid #ccc;
  background-color: #f1f1f1;
}

  
/* Style the buttons that are used to open the tab content */
.tab button {

    
  background-color: inherit;
  float: left;
  
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 16px;
  transition: 0.3s;
}

/* Change background color of buttons on hover 
  */
.tab button:hover {
  background-color: #ddd;

  }

/* Create an active/current tablink class */
.tab button.active 
  {
  background-color: #ccc;
}

/* Style the tab content */
.tabcontent {

    
  display: none;
  padding: 6px 12px;
  border: 1px solid #ccc;
  border-top: none;
}