Ok, here is my code in comments.php
<div class="box post-comments">
<div class="content1">
<h3 id="comments"><?php comments_number('Aucun commentaire', 'Un commentaire', '% commentaires' );?> à propos de «
<?php the_title(); ?>»</h3>
<ol class="commentlist"><?php wp_list_comments(array('avatar_size'=>80)); ?></ol>
</div></div>
And here is my CSS:
ol.commentlist{list-style:none;margin:0;padding:0;text-indent:0}
ol.commentlist li{border:1px solid #d5d5d5;border-radius:5px;-moz-border-radius:5px;-webkit-border-radius:5px;margin:0 0 10px;padding:5px 7px 5px 57px;position:relative;height:1%}
ol.commentlist li div.vcard{font:700 14px/1.4 helvetica,arial,sans-serif; margin-left:-50px; margin-top:100px;}
ol.commentlist li div.vcard cite.fn{font-style:normal}
ol.commentlist li div.vcard cite.fn a.url{color:#8796ab;text-decoration:none}
ol.commentlist li div.vcard cite.fn a.url:hover{color:#fecc38;text-decoration:underline}
ol.commentlist li div.vcard img.avatar{border:1px solid #8796ab;left:7px;position:absolute;top:7px}
ol.commentlist li div.comment-meta{font:700 6px/1.4 helvetica,arial,sans-serif;right:10px;top:5px;margin-left:-50px;}
ol.commentlist li div.comment-meta a{color:#333;text-decoration:none}
ol.commentlist li div.comment-meta a:hover{color:#000}
ol.commentlist li p{font-size:13px;margin:0 0 1em;min-height: 114px;ont-family: Verdana;}
ol.commentlist li ul{font:400 12px/1.4 helvetica,arial,sans-serif;list-style:square;margin:0 0 1em;padding:0;text-indent:0}
ol.commentlist li div.reply{background:#999;border:1px solid #666;border-radius:2px;-moz-border-radius:2px;-webkit-border-radius:2px;color:#fff;font:700 9px/1 helvetica,arial,sans-serif;padding:5px 10px;text-align:center;width:50px}
ol.commentlist li div.reply:hover{background:#c30;border:1px solid #c00}
ol.commentlist li div.reply a{color:#fff;text-decoration:none;text-transform:uppercase}
ol.commentlist li ul.children{list-style:none;margin:1em 0 0;text-indent:0}
ol.commentlist li.even{background:#fff}
ol.commentlist li.odd{background:#f6f6f6}
ol.commentlist li.bypostauthor{background:#fdfddf}
ol.commentlist li.pingback{background:#fff;border:1px solid #fecc38}
ol.commentlist li.pingback div.vcard,ol.commentlist li div.comment-author{padding:0 170px 0 0}
.box {
background: #ffffff;
border: 1px solid #cfcfcf;
margin: 0 0 15px;
padding: 1px;
}
.box .content {
background:#F0F0F0;
height: 1%;
padding: 13px;
padding-bottom:15px;
}
.box.top{
width:300px;
float:right;
margin-top:-115px;
}
.box2 {
background: #f9f9f9;
border: 1px solid #cfcfcf;
height: 1%;
padding: 10px;
min-height: 115px;
margin-top:-121px;
margin-left:50px;
}
.box2.alt {
background: #FFFFFF;
}
.box2.alt {
background: #FFFFFF;
}
I really don't understand how to do the trick.