div.ATDcatalog {
    border: 1px dotted #999;
    padding: 1em;
    margin: 0;
}
div.ATDcatalog > ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

div.ATDcatalog > ul > li {
    padding: 1em;
    background-color: #f8f8f8;
    text-align: left;
    border-bottom: 1px dotted #999;
    margin: 1em 0em;
}
div.ATDcatalog > ul > li h2 {
    margin: 0;
    padding: 0;
    font-size: 1.3em;
}