body
{
    font-family: arial, sans-serif;
    background-color: #fff;
    color: #000;
    margin: 20px;
    margin-bottom: 30px;
}

a:link,
a:visited
{
    color: #00a;
    text-decoration: underline;
}

.content
{
    width: 70%;
}

table
{
    border: 1px solid black;
    border-collapse: collapse;
}

th,
td
{
    padding: 6px;
    border: 1px solid black;
    text-align: left;
    vertical-align: bottom;
}

.html,
.css
{
    background-color: #eee;
    border: 1px solid black;
    padding: 8px;
    margin-top: 18px;
}

.css
{
    background-color: rgb(240,238,208);
}

.introduction
{
    font-style: italic;
}

.introduction:first-letter
{
    font-size: 110%;
}

thead th
{
    background-color: #eee;
    text-align: center;
}

th[scope="col"]
{
    padding-top: 16px;
    background-image: url(arrow_down.gif);
    background-repeat: no-repeat;
    background-position: 50% 100%;
    padding-bottom: 20px;
    border: 0;
}

th[scope="row"]
{
    padding-left: 16px;
    text-align: right;
    font-style: italic;
    background-image: url(arrow_right.gif);
    background-repeat: no-repeat;
    background-position: 100% 50%;
    padding-right: 20px;
    border: 0;
}

td.name
{
    background-image: url(head.gif);
    background-repeat: no-repeat;
    background-position: 0 50%;
    padding-left: 20px;
}