.simple-keyboard {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #1c1c1c;
  z-index: 9999;
}

.simple-keyboard .hg-row {
  min-height: 80px;
}

.simple-keyboard .hg-button {
  background-color: #2c2c2c !important;
  font-size: 2.1rem !important;
  min-width: 48px;
  min-height: 48px;
  height: 80px;
  border-radius: 8px !important;
  margin: 2px;
}

.simple-keyboard .hg-button:active {
  background-color: #3c3c3c !important;
}