If it is possible Bootstrap 4 Modal box opens center of any screen?

Question

If it is possible Bootstrap 4 Modal box opens center of any screen. I am using bootstrap 4 modal box within modal box and it has always open top of page so please help me how to inner modal box open on center of any resolution, I am sending you screenshot https://prnt.sc/vod0q7.

Answer 1

yes, add class modal-dialog-centered to the modal dialog

<div class="modal fade" id="exampleModalCenter" tabindex="-1" role="dialog" aria-labelledby="exampleModalCenterTitle" aria-hidden="true">
  <div class="modal-dialog modal-dialog-centered" role="document">
    <div class="modal-content">
      
      ...
     
    </div>
  </div>
</div>

Answer 2

Used Bootstrap Vertically centered model. Add .modal-dialog-centered to .modal-dialog to vertically center the modal.

Full code here

Boostrap docs

<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalCenter">
  Launch demo modal
</button>

<!-- Modal -->
<div class="modal fade" id="exampleModalCenter" tabindex="-1" role="dialog" aria-labelledby="exampleModalCenterTitle" aria-hidden="true">
  <div class="modal-dialog modal-dialog-centered" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title" id="exampleModalCenterTitle">Modal title</h5>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
      </div>
      <div class="modal-body">
        ...
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
        <button type="button" class="btn btn-primary">Save changes</button>
      </div>
    </div>
  </div>
</div>

Answer 3

According to the Bootstrap docs

You can achieve it by adding the class modal-dialog-centered