style.css

/**
 * Styled Ordered List
 * @author Bill Erickson
 * @link http://www.billerickson.net/code/styled-ordered-list/
 */

.entry-content ol {
    counter-reset: li;
    list-style: none;
    *list-style: decimal;
}

.entry-content ol li {
	position: relative;
	padding-left: 60px;
	min-height: 60px;
}

.entry-content ol li:before {
	content: counter(li);
	counter-increment: li;
	color: #fff;
	background: #f07100;
	border-radius: 50%;
	font-size: 18px;
	width: 48px;
	height: 48px;
	line-height: 48px;
	text-align: center;
	display: block;
	position: absolute;
	top: 0;
	left: 0;
}