div.item {
    position:relativ;
    float:left;
/*    margin: 0 0 10px 10px; */
    padding: 0 10px 10px 0px;
}
#contents hr {
    clear:both;
    visibility:hidden;
    display:none;
    width:0;
    height:0;
    margin:0;
    padding:0;
    border:0;
}