.scene-header-wrap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  pointer-events: none;
}

.scene-header-shell {
  transform: translateY(calc(-100% - 8px));
  opacity: 0;
  transition: transform .22s ease, opacity .22s ease;
  pointer-events: auto;
}

.scene-header-shell.is-visible {
  transform: translateY(0);
  opacity: 1;
}