*
{
    margin: 0;
    padding: 0;
}

html,
body
{
    overflow: hidden;
    background-color: black;
    color: white;
}

.centered-table {
    width: 100%;
    border-collapse: collapse;
}

.centered-table td,
.centered-table th {
    text-align: center;
    vertical-align: middle;
    padding: 10px;
    /* optional for spacing */
}