JSFiddle - React, Tailwind, and code Playground

HTML

<div class="background"></div>

CSS

.background {
    width:100%;
    height:90px;
    background:transparent url(http://www.featurepics.com/FI/Thumb/20081123/Green-Grass-Background-976664.jpg) repeat-x 0 0;
    position:fixed;
    bottom:0;

}