     <style>
         .nav-link{
             color:white;
         }
     </style>
     <nav class="navbar navbar-expand-md bg-dark sticky-top">
        <a class="navbar-brand" href="#"><img src="https://nepalmonitor.org/frontend/images/logo.png" alt="Logo" /></a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent"
          aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
          <span class="navbar-toggler-icon"></span>
        </button>

        <div class="collapse navbar-collapse nonPrint" id="navbarSupportedContent">
          <ul class="navbar-nav ml-lg-auto">
            <li class="nav-item active">
              <a class="nav-link" href="index.php">Dashboard <span class="sr-only">(current)</span></a>
            </li>
            <li class="nav-item">
              <a class="nav-link" href="reports.php">Analysis & Resources</a>
            </li>
            <li class="nav-item">
              <a class="nav-link" href="#" data-target="#aboutModal" data-toggle="modal">About</a>
            </li>
            <li class="nav-item">
              <a class="nav-link" href="#" data-target="#suggestionModal" data-toggle="modal">Feedback</a>
            </li>
           <!-- <li class="nav-item">
              <a class="nav-link" href="#">Login</a>
            </li>-->
          </ul>
        </div>
      </nav>
        <div class="modal fade" id="suggestionModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title" id="exampleModalLabel">Leave Suggestion</h5>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
      </div>
      <div class="modal-body useIt">
             <form action="saveComment.php" method="POST">
                 
                        <label for="field-1-2">Name </label>
                        <div class="form-group">
                          <input type="text" name="name" id="field-1-4-1" filter="email" class="form-control" data-invalid="Must be a valid email address">
                        </div>
                        <label for="field-1-2">Email </label>
                        <div class="form-group">
                          <input type="text" name="email" id="field-1-4-1"  class="form-control">
                        </div>
                       <label for="field-1-2">Organization</label>
                        <div class="form-group">
                          <input type="text" name="organization" id="field-1-4-1"  class="form-control" >
                        </div>
                  <label for="field-1-2">Feedback</label>
                  <div class="form-group">
                <textarea cols="46" rows="3" placeholder="Leave a comment....." name="comment" required></textarea>  <button style="margin-bottom: 60px;" type="submit" class="btn bg-primary">Submit</button>
                </form>  
              </div>
        
           </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
        
      </div>
    </div>
  </div>
</div>