body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

h1 {
  display: flex;
  justify-content: center;
  align-items: center;
}
#buttons {
  margin-top: 30px;
}

#display {
  display: flex;
  justify-content: center;
  align-items: center;
}

.drum-pad:hover {
  background-color: #f2ab15;
}

.active {
  background-color: #f2ab15;
}

#display {
  margin: 10px 0;
}