#box_category
{
float:left;
margin-top:10px;
background-position: left top; width:160px;
height:30px; padding-left:35px; background-image:url('img/folder.png'); background-repeat:no-repeat
}

#sep {
border-bottom:1px solid #EEEEEE; 

clear:both;
margin-bottom:5px;
}