@media (max-width: 900px) {
  .vaccine-metrics {
    grid-template-columns: 1fr;
  }

  .calendar-head,
  .calendar-week {
    grid-template-columns: 1fr;
  }

  .calendar-head {
    display: none;
  }

  .calendar-day {
    min-height: auto;
    border-right: none;
  }
}