.preface {
    color: #000000;
    font-size: 11px;
    font-family: arial,verdana,helvetica;
    font-weight: normal;
    text-decoration: none}

.txt {
    color: #000000;
    font-size: 11px;
    font-family: arial,verdana,helvetica;
    font-weight: normal;
    text-decoration: none}

.txt0 {
    color: #000000;
    font-size: 11px;
    font-family: arial,verdana,helvetica;
    font-weight: normal;
    text-decoration: none}