#wordBox {
  width: 300px;
  height: 300px;
  position: fixed;
  background-color: #fff;
}

.row {
  display: flex;
  background-color: #fff;
  justify-content: space-evenly;
  position: sticky;
  width: 100%;
  margin: 12px 0;
  height: 25%;
}
.letterDisplay {
  margin: 4px;
  justify-content: center;
  align-items: center;
  font-size: 3em;
  text-align: center;
  width: 100%;
  height: 100%;
  background-color: lightblue;
  border: 1px solid lightblue;
  border-radius: 10px;
}

#input {
  margin-top: 365px;
}