#hd {
    border-bottom: 1px solid white;
    margin: 1em 0;
}
#ft {
    border-top: 1px solid white;
    margin: 1em 0;
    padding: 0.5em 0;
}
address {
    font-style: italic;
}

html {
    background-color: black;
    color: white;
}
table {
    margin: auto;
    border-collapse: collapse;
    border: 3px solid black;
}
td {
    padding: 4px;
    background-color: #222;
    border: 1px solid black;
}
.alive {
    background-color: blue;
}
.paused {
    border-color: #500;
}