body
{
    color: #000; background: #fff;
}
div.center
{
    text-align: center;
}
table
{
    margin-left: auto;
    margin-right: auto;
    border-collapse: collapse;
    caption-side: bottom;
}
caption
{
    margin-left: auto;
    margin-right: auto;
}
td
{
    border: 1px solid black;
}
h1
{
    text-align: center;
}