#timeline {
  margin: 0 -20px;
  position: sticky;
  top: 0;
  height: calc(100vh);
  height: calc(100svh);
  overflow: hidden;
}
#date {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
}
.note {
  color: rgba(255, 255, 255, 0.5);
}