body {
    color: black;
    background-color: white;
}

.hover {
    background-color: yellow;
}

.click1 {
    color: white;
    background-color: red;
}

.click2 {
    color: white;
    background-color: green;
}

.click3 {
    color: white;
    background-color: blue;
}

#fretboard {
    float: left;
    padding-right: 1em;
    margin-right: 1em;
}

#fretboard table {
    border-collapse: collapse;
}

#fretboard thead {
    text-align: center;
}
#fretboard thead .fret3,
#fretboard thead .fret5,
#fretboard thead .fret7 {
    font-weight: bold;
}

#fretboard tbody .open {
    font-weight: bold;
}

#fretboard td:not(:last-child) {
    border-right: 1px solid black;
}

#fretboard tbody tr {
    border-top: 1px solid black;
}

#fretboard tbody .selected {
    font-style: italic;
    text-align: center;
}

#fretboard .muted {
    color: grey;
}

#key-picker .notes {
    padding-left: 0;
    list-style-position: outside;
    display: grid;
    grid-template-rows: 2;
    grid-template-columns: 2em 2em 2em 2em 2em 2em 2em;
    counter-reset: notes;
}

#key-picker .notes li:before {
    display: grid;
    grid-row-start: 2;
    content: counter(notes, numeric);
    color: grey;
    font-size: small;
    text-align: center;
}

#key-picker .notes li.click1:before,
#key-picker .notes li.click2:before,
#key-picker .notes li.click3:before {
    color: lightgrey;
}

#key-picker .notes li {
    display: grid;
    grid-row-start: 1;
    counter-increment: notes;
    text-align: center;
    cursor: pointer;
}

#key-picker .chords {
    display: grid;
    grid-template-rows: 1;
    grid-template-columns: 3em 3em 3em 3em 3em 3em 3em 3em;
    padding-left: 0;
}

#key-picker .chords li {
    display: grid;
}