body {
    background-color: black;
    color: white;
    padding: 20px;
}

header {
    text-align: center;
}

.tnav {
    display: inline;
    margin-right: 10px;
}

p {
    line-height: 1.4em;
}

.medium {
    width: 200px;
}

.reps {
    margin-top: 50px;
}

footer {
    text-align: center;
    margin-top: 80px;
}