JSFiddle - React, Tailwind, and code Playground

HTML

<h2><span>Centered Header Text</span></h2>

CSS

h2 {
    background: url(http://dummyimage.com/2x1/f0f/fff&text=+) repeat-x center;
    text-align: center
}
h2 span {
    background: #fff;
    padding: 0 9px
}