.piano-surround {
  margin-top: 0.5rem;
  width: 35rem;
}

.black {
  height: 12.5rem;
  width: 1.3rem;
}

a:nth-child(2) .black,
a:nth-child(5) .black,
a:nth-child(9) .black,
a:nth-child(12) .black,
a:nth-child(15) .black {
  margin-left: -1.3rem;
}

.white {
  height: 15rem;
  width: 5rem;
}

.white h1 {
  padding-top: 12.5rem;
}

.black h1 {
  padding-top: 2rem;
}