JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <img src="http://www.devbook.cz/images/logo_cz.png" alt="devbook" />
</div>

CSS

.container {
    width: 500px;
    background: #f5f5f5;
    padding: 20px;
    text-align: center;
}

/** Tohle taky funguje
.container img {
    display: block;
    margin: 0 auto;
}
*/