.sz hr { text-align: left; width: 90%; }
    .sz_box { border: 1px solid #999; background-color: #f6f6f6; margin: 6px;  padding: 6px; color: #333; float: left; clear: both; }
    .sz_box h3 { margin-top: 0px; font-size: 100%; font-weight: bold; }