.input-group-digits .form-control {
  font-size: 2rem;
  padding: 0.5rem 0;

  width: 2.75rem;
  text-align: center;
  font-weight: 300;
}

.input-group-digits input[type="number"] {
  -moz-appearance: textfield;
}
.input-group-digits input[type="number"]::-webkit-inner-spin-button,
.input-group-digits input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.login {
  width: 19.2em;
}