.b-head-accent__link {
  max-height: 150px;
  overflow: hidden;
  opacity: 1;
  visibility: visible;
  transition: max-height 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
}

.b-head-accent__link.hidden {
  max-height: 0;
  opacity: 0;
  visibility: hidden;
}
@media screen and (max-width: 768px) {
  .b-head-accent__link {
    transition: none;
  }

}