body {
    font-family: Helvetica, Arial, Sans-Serif;
    background-color: lightgray;
    background-image: url('1024px-Pitch_class_space.svg.png');
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
}

#info {
    text-align: center;
    font-size: small;
}

#fifths {
    margin-left: auto;
    margin-right: auto;
    justify-self: center;
    text-align: right;
}

table,
th {
    font-weight: normal;
}

#all0,
#all1 {
    text-align: center;
}