.grid-container-4 {
  display: grid;
  justify-content: center;
  grid-template-columns: 75px 75px 75px 75px;
  grid-gap: 2px;
  padding: 1px;
}
.grid-container-4 > div {
  text-align: center;
  padding: 1px 0;
  font-size: 30px;
}

.grid-container-2 {
  display: grid;
  justify-content: center;
  grid-template-columns: 75px 75px ;
  grid-gap: 2px;
  padding: 1px;
}
.grid-container-2 > div {
  text-align: center;
  padding: 1px 0;
  font-size: 30px;
}