JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <img src="http://lorempixel.com/400/200/"/>
    <div class="text">this is some text</div>
</div>

CSS

* {
    box-sizing: border-box;
}
.container {
    width: 100%;
    text-align: center;
    border: 1px solid red;
    display: table;
}

img {
    float: left;
}

.text {
    border: 1px solid blue;
    display: table-cell;
    vertical-align: middle;
    height: 100%;
}