JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
<div class="row">
    <div class="col-xs-1">Text</div>
</div>

CSS

.row{
    display: table;
    min-height: 100px; /* Just for demo */
}
.col-xs-1{
    display: table-cell;
    vertical-align: middle;
    float: none;
    background: #000;
    width:50%
}