.btn.is-busy {
  cursor: wait;
  opacity: 0.82;
}

.btn:active:not(:disabled):not(.is-busy) {
  transform: scale(0.98);
}

.form-feedback {
  margin-top: 0.5rem;
}

.form-feedback:empty {
  display: none;
}

.form-feedback .flash,
.flash.flash-inline {
  margin: 0.35rem 0 0;
}

.flash-inline {
  font-size: 0.92rem;
}