body {
    background-color: #DDDDDD;
    font-size: 16px;
    font-family: arial;
    color: #222222;
}

table, td, th {
    margin-top: 50px;
    margin-left: auto;
    margin-right: auto;
    padding: 8px;
    border: 1px solid #555555;
    border-collapse: collapse;
}

h2, h7 {
    font-size: 24px;
    padding: 0;
    margin: 0;
}

h7 {
    font-size: 12px;
}