JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>
<div></div>
<div class="no"></div>
<div></div>

CSS

div{
 display:block;
 height:25px;
 width: 25px;
 background-image:url("http://upload.wikimedia.org/wikipedia/en/f/f4/Ambox_content.png");
 float:left;
 margin:5px;
}

div.no
{
 background-image:none;
}