.has-tab-menu .tab-entry {
  position: absolute;
  overflow: hidden; /* Hide the element content, while height = 0 */
  height: 0;
  opacity: 0;
  visibility: collapse;
  transition: height 0s 0.6s, opacity 0.6s 0s;
}
.has-tab-menu .tab-entry--active {
  position: relative;
  height: auto;
  opacity: 1;
  visibility: visible;
  transition: height 0s 0s, opacity 0.8s 0s;
}