.commentlist li .commentnumber {
float:left;
color:#999999;
font-size:3em;
margin:0;
padding:0 .5em .5em 0;
clear:right;
}

.commentlist li li .commentnumber {
font-size:1.7em;
}

.commentlist li li li .commentnumber {
font-size:1.3 em;
}