body {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: sans-serif;
    color: black;
    background-color: white;
}

#wrapper {
    width: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

* {
    font-family: Arial, Helvetica, sans-serif;
}

table {
    border-collapse: collapse;
}

table,
th,
td {
    border: 1px solid black;
}

td,
th {
    padding: 5px;
}