.workbench-state {
  visibility: hidden;
  transition: opacity .45s ease, transform .55s cubic-bezier(.2,.8,.2,1), visibility 0s linear .55s;
}

.delivery-system[data-active="0"] .state-diagnose,
.delivery-system[data-active="1"] .state-build,
.delivery-system[data-active="2"] .state-deploy {
  visibility: visible;
  transition-delay: 0s;
}