.digit-group {
   margin-bottom: 1em;
   justify-content:center;
}

.digit-group input {
  height: 50px;
  max-width: 50px !important;
  border-radius: 7px;
  line-height: 50px;
  text-align: center;
  font-size: 24px;
  font-weight: 200;
}

.digit-group .splitter {
  padding: 0 5px;
  color: #888;
  font-size: 24px;
}

.prompt {
  margin-bottom: 20px;
  font-size: 20px;
  color: #888;
}
/*.digit-group input {
  width: 40px;
  height: 50px;
  background-color: #fff;
  border: 1px solid #eaedf1;
  border-radius: 7px;
  line-height: 50px;
  text-align: center;
  font-size: 24px;
  font-weight: 200;
  color: #222;
  margin: 0 2px;
}
.digit-group .splitter {
  padding: 0 5px;
  color: #888;
  font-size: 24px;
}

.prompt {
  margin-bottom: 20px;
  font-size: 20px;
  color: #888;
}*/