@view-transition {
  navigation: auto;
}

html, body {
  margin: 0;
  padding: 0;
  height: 200%;
  width: 100%;
}

.page {
  width: 110vw;
  height: 110vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: sans-serif;
}

@keyframes slide-to-left {
  from { transform: translateY(0); }
  to { transform: translateY(-100vh); }
}

@keyframes slide-from-right {
  from { transform: translateY(100vh); }
  to { transform: translateY(0); }
}

::view-transition-old(root) {
  animation: slide-to-left 1.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

::view-transition-new(root) {
  animation: slide-from-right 1.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}