.hide-eye {
  padding: 0;
  margin: 0;
  position: absolute;
  top: 0.6rem;
  right: 1rem;
  z-index: 10;
}
.input-group input {
  padding-right: 2.5rem;
}
.input-group input.is-invalid {
  padding-right: 3.5rem;
}
.input-group input.is-invalid + .hide-eye {
  right: 2rem;
}