#PlayerIframe{margin:0 auto;border:0;padding:0;margin:0}

body {
    width: 840px;
    margin:auto;
}

#leaderboard {
    width: 250px;
    float: right;
    padding: 10px;
    background-color:rgb(230,230,230);
}

table {
    width: 100%;
}
table, tr, td, th {
    border: 1px solid gray;
    border-collapse: collapse;
    text-align: center;
}