JSFiddle - React, Tailwind, and code Playground

by Константин Дралюк

HTML

<div class="modal">
  <div class="modal__scroll">
    <div class="modal__body">
    </div>
  </div>  
</div>

CSS

.modal {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: #000;
  overflow: auto;
  display: flex; /* ie bugfix */
  flex-direction: column; /* ie bugfix */
}

.modal__scroll {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto; /* ie bugfix */
}
.modal__body {
  width: 500px;
  background: #fff;
}