JSFiddle - React, Tailwind, and code Playground

HTML

<div class="imageContainer">
    <img src="http://placehold.it/350x100">
</div>

CSS

.imageContainer {
   height:300px;
   display: -webkit-box;
    -webkit-box-align: center;
   display: -moz-box;
   -moz-box-align: center;
   display: -ms-flexbox;
   -ms-box-align: center; 
   display: box;
   box-align: center; 
}