<div class="dropdown nav nav-tabs" role="tablist">
  <button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenuButton1" data-bs-toggle="dropdown" aria-expanded="false">
    Home
  </button>
  <ul class="dropdown-menu" aria-labelledby="dropdownMenuButton1">
    <li><button  class="dropdown-item" id="home-tab" data-bs-toggle="tab" data-bs-target="#home" type="button" role="tab">Home</button></li>
    <li ><button class="dropdown-item" id="profile-tab" data-bs-toggle="tab" data-bs-target="#profile" type="button" role="tab">Profile</button></li>
    <li><button class="dropdown-item" id="contact-tab" data-bs-toggle="tab" data-bs-target="#contact" type="button" role="tab">Contact</button></li>
  </ul>
</div>


<ul class="nav nav-tabs" id="myTab" role="tablist">
  <li class="nav-item" role="presentation">
    <button class="nav-link active" id="home-tab" data-bs-toggle="tab" data-bs-target="#home" type="button" role="tab" aria-controls="home" aria-selected="true">Home</button>
  </li>
  <li class="nav-item" role="presentation">
    <button class="nav-link" id="profile-tab" data-bs-toggle="tab" data-bs-target="#profile" type="button" role="tab" aria-controls="profile" aria-selected="false">Profile</button>
  </li>
  <li class="nav-item" role="presentation">
    <button class="nav-link" id="contact-tab" data-bs-toggle="tab" data-bs-target="#contact" type="button" role="tab" aria-controls="contact" aria-selected="false">Contact</button>
  </li>
</ul>
<div class="tab-content" id="myTabContent">
  <div class="tab-pane fade show active" id="home" role="tabpanel" aria-labelledby="home-tab">1...</div>
  <div class="tab-pane fade" id="profile" role="tabpanel" aria-labelledby="profile-tab">2...</div>
  <div class="tab-pane fade" id="contact" role="tabpanel" aria-labelledby="contact-tab">3...</div>
</div>