td.lheader {
    width: 20em;
    font-weight: bold;
}

div.architecture {
    border-color: #CCC;
    border-width: 1px;
    border-style: solid;
    border-spacing: 5px;
    font-family: Courier;
    margin: 5px;
    background: #CCC;
    width: 80em;
    overflow: auto;
    padding: 8px;
}