Answers for "custom nav tabs with using bootstrap"

bootstrap tabs

<nav>
  <div class="nav nav-tabs" id="nav-tab" role="tablist">
    <button class="nav-link active" id="nav-home-tab" data-bs-toggle="tab" data-bs-target="#nav-home" type="button" role="tab" aria-controls="nav-home" aria-selected="true">Home</button>
    <button class="nav-link" id="nav-profile-tab" data-bs-toggle="tab" data-bs-target="#nav-profile" type="button" role="tab" aria-controls="nav-profile" aria-selected="false">Profile</button>
    <button class="nav-link" id="nav-contact-tab" data-bs-toggle="tab" data-bs-target="#nav-contact" type="button" role="tab" aria-controls="nav-contact" aria-selected="false">Contact</button>
  </div>
</nav>
<div class="tab-content" id="nav-tabContent">
  <div class="tab-pane fade show active" id="nav-home" role="tabpanel" aria-labelledby="nav-home-tab">...</div>
  <div class="tab-pane fade" id="nav-profile" role="tabpanel" aria-labelledby="nav-profile-tab">...</div>
  <div class="tab-pane fade" id="nav-contact" role="tabpanel" aria-labelledby="nav-contact-tab">...</div>
</div>

nav-pills class bootstrap

<div class="container">
  <h3>Default Bootstrap 3 Pills Example</h3>
  
  <!-- `nav-pills` class attribute of a `ul` HTML element below --> 
  
  <ul class="nav nav-pills">   
    <li class="active"><a href="http://www.tutorialmines.net">Home</a></li>
    <li><a href="http://www.tutorialmines.net/bootstrap-3-tutorial/">Bootstrap 3</a></li>
    <li><a href="http://www.tutorialmines.net/php-5-string-functions/">PHP 5</a></li>
    <li><a href="http://www.tutorialmines.net/responsive-web-design-tutorial/">RWD</a></li>
  </ul>
</div>