<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="dropdown-menu"> <form class="px-4 py-3"> <div class="form-group"> <label for="exampleDropdownFormEmail1">Email address</label> <input type="email" class="form-control" id="exampleDropdownFormEmail1" placeholder="email@example.com"> </div> <div class="form-group"> <label for="exampleDropdownFormPassword1">Password</label> <input type="password" class="form-control" id="exampleDropdownFormPassword1" placeholder="Password"> </div> <div class="form-check"> <input type="checkbox" class="form-check-input" id="dropdownCheck"> <label class="form-check-label" for="dropdownCheck"> Remember me </label> </div> <button type="submit" class="btn btn-primary">Sign in</button> </form> <div class="dropdown-divider"></div> <a class="dropdown-item" href="#">New around here? Sign up</a> <a class="dropdown-item" href="#">Forgot password?</a> </div>