Based on Bootstrap Modal.
<abp-button button-type="Primary" data-bs-toggle="modal" data-bs-target="#myModal">Launch modal</abp-button>
<abp-modal centered="true" scrollable="true" size="Large" id="myModal">
<abp-modal-header title="Modal title"></abp-modal-header>
<abp-modal-body>
Woohoo, you're reading this text in a modal!
</abp-modal-body>
<abp-modal-footer buttons="@(AbpModalButtons.Save|AbpModalButtons.Close)"></abp-modal-footer>
</abp-modal>
<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#exampleModal">
Launch demo modal
</button>
<!-- Modal -->
<div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog modal-dialog-centered modal-dialog-scrollable modal-lg" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">Modal title</h5>
<button type="button" class="close" data-bs-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
...
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save</button>
</div>
</div>
</div>
</div>