pre
{
    background-color: #eee;
    margin-left : 3em;
    margin-right: 2em;
    padding: 8px;
    border: 1px outset gray;
}

table
{
    font-size: 100%; /* Needed to inherit the body font size*/
    border-color: #ccc;
    }
th
{
    background-color: #ddd;
    padding: .5em 0;
    border-color: #ccc;
    border-style: solid;
    }
td
{
    border-style: none;
    padding: .2em .5em;
}