HTML

<div id="comments" class="node-comments">
    <div class="comments">
        <h3>1 Comentário</h3>
        <div id="comment-1" class="comment">
            <div class="comment-info">
                <span class="avatar">
                    <img src="http://www.gravatar.com/avatar/5658ffccee7f0ebfda2b226238b1eb6e?s=32" alt="" />
                </span>
                <span class="name"><a href="http://www.bemmelhor.org" target="_blank">Mr Bemmelhor</a></span>
                <span class="date">said on Dec 25, 2009</span>
            </div>
            <div class="comment-body">Hi, this is the first comment.</div>
            <div class="comment-reply">
                <a href="/bmcms/comments/add/1/1">Reply</a>    
            </div>
        </div>
    </div>
</div>

CSS

/** Comentarios **/
#comments {
	text-align: left;
}

#comments .comments .comment {
	border-top: 1px solid #E0E0E0;
	margin-top: 10px;
	padding-top: 20px;
	padding-bottom: 20px; 
}

#comments .comments .comment .comment-info .avatar img {
	width: 50px;
}

#comments .comments .comment .comment-info .name {
	font-weight: bold;
	font-size: 16px;
	color: #333;
}

#comments .comments .comment .comment-info .date {
	margin-bottom: 5px;
	color: #666;
	font-size: 11px;
}

#comments .comments .comment .comment-body {
	font-size: 14px;
	color: #333;
	margin-bottom: 10px;
}