body, table {
    background-color: #cfcfcf;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 12px;
    color: #1b1b1b;
}

#main {
    position: relative;
    width: 800px;
    margin: auto;
    padding: 20px;
    border: 1px solid #000000;
    text-align: justify;
}

.dcenter {
    position: relative;
    margin: auto;
    padding: 20px;
    text-align: justify;
    width: 1024px;
}

h1 {
    text-align: center;
}

h2 {
    padding-left: 20px;
    padding-top: 20px;
    border-top: 1px solid #999999;
}

.file {
    font-family: "Courier New", Courier, monospace;
}

pre {
    padding-left: 50px;
    padding-top: 15px;
    padding-bottom: 10px;
    border: 1px solid #8c4646;
    background-color: #ffffff;
}

.date {
    padding-top: 40px;
    text-align: right;
    font-style: italic;
}

table.tcommon {
    font-size: 12px;
    margin-right: auto;
    border: 1px solid black;
    border-collapse: collapse;
}

table.tcommon td {
    border: 1px solid black;
    padding: 5px;
}

table.tcommon th {
    border: 1px solid black;
    padding: 5px;
    background-color:#c5c5c5;
}