body {
    background-color: #779999;
}
a {
    color: wheat;
    visited: wheat;
    hover: white;
    active: red
}
table {
    width: 80%;
    height: 80%;
    margin-top: 5%;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid #779999;
    border-spacing: 50px;
}
td {
    width: 33%;
    border: 1px solid black;
    border-radius: 10px;
    text-align: center;
    background-color: darkslategray;
}