body {
    background-color: black;
    color: white;
}
.keyboard {
    display: flex;
    justify-content: center;
    margin: 20px;
}

.key{
    display: flex;
    border-width: 3px;
    border-radius: 5px;
    justify-content: end;
    padding: 10px;
    color: gray;
    writing-mode: vertical-lr;
    text-orientation: upright;
    align-items: center;
    letter-spacing: -.15em;
}

.key:not([data-note*="#"]),
.white.key {
    width: 50px;
    height: 200px;
}

.key[data-note*="#"],
.black.key {
    position: relative;
    width: 40px;
    height: 150px;
    background-color: #111;
    border-color: black;
    top: -6px;
    margin-left: -20px;
    margin-right: -20px;
    z-index: 1;
}

.key.pressed {
    padding-left: 13px;
    padding-top: 13px;
    padding-right: 7px;
    padding-bottom: 7px;
    margin-top: 2px;
    margin-bottom: -2px;
}

.key:not([data-note*="#"]).pressed,
.white.key.pressed {
    margin-left: 1px;
    margin-right: -1px;
}

.key[data-note*="#"].pressed,
.black.key.pressed {
    margin-left: -19px;
    margin-right: -21px;
}

.sliders {
    display: flex;
    justify-content: center;
    margin: 20px;
}

.sliders label {
    display: flex;
    flex-flow: column;
    margin: 5px;
    align-items: center;
}

[orient=vertical] {
    -webkit-appearance: slider-vertical;
}