.keyboard-container {
  overflow-x: scroll;
  overflow-y: hidden;
  width: 100%;
  height: 110px;
  white-space: nowrap;
  margin: 10px;
}

.keyboard {
  width: auto;
  padding: 0;
  margin: 0;
}

.key {
  cursor: pointer;
  font:
    16px "Open Sans",
    "Lucida Grande",
    "Arial",
    sans-serif;
  border: 1px solid black;
  border-radius: 5px;
  width: 20px;
  height: 80px;
  text-align: center;
  box-shadow: 2px 2px darkgray;
  display: inline-block;
  position: relative;
  margin-right: 3px;
  user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  
  background-color: white;
  /* color: black; */
  color: transparent;
}

.accidental {
  background-color: #222;
  /* color: white; */
  box-shadow: 2px 2px black;
  height: 55px;
  width: 14px;
  z-index: 2;
  margin: 0 -5px 0 -10px;
}

.key div {
  position: relative;
  text-align: center;
  width: 100%;
  pointer-events: none;
}

.key div sub {
  font-size: 10px;
  pointer-events: none;
}

.key:hover {
  background-color: #eeeeff;
}

.key:active,
.active {
  background-color: black;
  /* color: white; */
}

.octave {
  display: inline-block;
}