@keyframes fade-in {
  from {
    opacity: .5; }
  to {
    opacity: 1; } }

@keyframes rotate {
  from {
    transform: rotate(0deg); }
  to {
    transform: rotate(-360deg); } }

@keyframes fade-in2 {
  from {
    opacity: 0; }
  to {
    opacity: 1; } }

.bi-hover-parent .bi-hover-target {
  transition: opacity .2s;
  opacity: 0; }

.bi-hover-parent:hover .bi-hover-target {
  opacity: 1; }