<form action="/action_page.
php">
  <div class="mb-3 mt-3">
   <label for="email" class="form-label">Email :</label>
   <input type="email" class="form-control" id="email" placeholder="Enter email" Name="email">
  </div>
  <div class="mb-3">
   <label for="pwd" class="form-label">Password :</label>
   <input type="password" class="form-control" id="pwd" placeholder="Enter
 password" name="pswd">
  </div>
  <div class="form-check mb-3">
   <label class="form-check-label">
    <input class="form-check-input" type="checkbox" name="remember"> Remember me
   </label>
  </div>
  <button type="submit" class="btn btn-primary">Submit</button>
 </form>
<select class="form-select">
                                                                                                 <!-- A grey vertical navbar -->
 <option>1</option>                                                                              <nav class="navbar navbar-expand-sm bg-light">
 <option>2</option>                                                                               <div class="container-fluid">
 <option>3</option>                                                                                <!-- Links -->
 <option>4</option>                                                                                <ul class="navbar-nav">
                                                                                                     <li class="nav-item">
</select>
                                                                                                      <a class="nav-link" href="#">Lien 1</a>
                                                                                                     </li>
                                                                                                     <li class="nav-item">
                                                                                                                                                  Lien 1
                                                                                                      <a class="nav-link" href="#">Lien 2</a>
<select multiple class="form-select">
                                                                                                                                                  Lien 2
                                                                                                     </li>
 <option>1</option>
                                                                                                     <li class="nav-item">
 <option>2</option>
                                                                                                      <a class="nav-link" href="#">Lien 3</a>
 <option>3</option>
                                                                                                     </li>
 <option>4</option>
</select>
                                                                                                   </ul>
                                                                                                  </div>                                          Lien 3
                                                                                                 </nav>
 <label for="browser" class="form-label">Choose your browser from the list
 :</label>
 <input class="form-control" list="browsers" name="browser" id="browser">
 <datalist id="browsers">
  <option value="Edge">
  <option value="Firefox">
  <option value="Chrome">
  <option value="Opera">
  <option value="Safari">
 </datalist>
<form action="/action_page.php" class="was-validated">
 <div class="mb-3 mt-3">
  <label for="uname" class="form-label">Username :</label>
  <input type="text" class="form-control" id="uname" placeholder="Enter
username" name="uname" required>
  <div class="valid-feedback">Valid.</div>
  <div class="invalid-feedback">Please fill out this field.</div>
 </div>
 <div class="mb-3">
  <label for="pwd" class="form-label">Password :</label>
  <input type="password" class="form-control" id="pwd" placeholder="Enter
password" name="pswd" required>
  <div class="valid-feedback">Valid.</div>
  <div class="invalid-feedback">Please fill out this field.</div>
 </div>
  <button type="submit" class="btn btn-primary">Submit</button>
</form>
  <nav class="navbar navbar-expand-sm bg-light">
   <div class="container-fluid">
    <!-- Links -->
    <ul class="navbar-nav">
     <li class="nav-item"><a class="nav-link" href="#">Link 1</a></li>
     <li class="nav-item"><a class="nav-link" href="#">Link 2</a></li>
     <li class="nav-item"><a class="nav-link" href="#">Link 3</a></li>
    </ul>
   </div>
  </nav>y