/* Blue outline on focus */
.StripeElement--focus {
  border-color: #80BDFF;
  outline:0;
  box-shadow: 0 0 0 .2rem rgba(0,123,255,.25);
  transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

/* Can't see what I type without this */
#card-number.form-control,
#card-cvc.form-control,
#card-exp.form-control {
  display:inline-block;
}