body {
    background-color: #151515;
    color: #ffffff;
    font-family: Arial, Helvetica, sans-serif;
}

h1 {
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    max-width: 1200px;
    margin: 0 auto;
}

td {
    width: 20%;
    border: 1px solid #6e6e6e;
    padding: 10px 15px;
    vertical-align: top;
}

td:hover {
    background-color: #2a2a2a;
}

a {
    color: #ffffff;
    text-decoration: none;
}

a:hover {
    color: #989898;
}

a:visited {
    color: #cccccc;
}

td:empty {
    background-color: #1f1f1f;
}