.button-container {
  position: relative;
}

.firstbutton {
  position: absolute;
  bottom: -12.5px;
  left: 220px;
}

.secondbutton {
  position: absolute;
  bottom: -12.5px;
  left: 320px;
}

.thirdbutton {
  position: absolute;
  bottom: -12.5px;
  left: 420px;
}

.fourthbutton {
  position: absolute;
  bottom: -12.5px;
  left: 520px;
}