JSFiddle - React, Tailwind, and code Playground

HTML

<div class="col-xs-4">
					<div class="box warning">dfda</div>
				</div>

CSS

.box{
	border-radius: 4px;
	-moz-border-radius: 4px;
	-webkit-border-radius: 4px;
}
.warning{
	background: #FFF7F2;
	border: 1px solid #ffefe5;
}