JSFiddle - React, Tailwind, and code Playground

by Lalji Tadhani

HTML

<script src="https://code.jquery.com/jquery-3.4.1.slim.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.css">
<div class="modal fade show" id="myModal" role="dialog" aria-labelledby="myModalenterTitle" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered modal-dialog-scrollable" id="myModalDialog">
        <div class="modal-content" id="myModalContent">
            <div class="modal-header">
                <h5 class="modal-title" id="myModalTitle">Modal</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 style="height: 100%; width: 100%; background-color:aquamarine;">
                    Hello <!-- THIS IS NOT STRETCHING TO 100% HEIGHT -->
                </div>
            </div>
        </div>
    </div>
</div>

CSS

.modal {display:block;}
#myModalContent{
  height:100%;
}