body {
    margin: 0;
  }

  section {
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
      Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    height: 100vh;
  }

  div {
    height: 100vh;
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
    overflow-x: hidden;
  }

  .month {
    height: 100vh;
    width: 100vw;
    scroll-snap-align: center;
    display: grid;
    grid-template-rows: 80px;
  }

  ol {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    margin: 0;
    padding: 0;
    width: 100vw;
    grid-template-rows: 90px;
  }

  li {
    font-size: 1.5ch;
  }

  h2 {
    margin-bottom: 4px;
    padding: 0;
  }

  .first-day {
    grid-column-start: var(--first-day-start)
  }

  .day-name {
    background: #2c84cb;
    font-weight: bold;
    font-size: 12px;
    margin-bottom: 2px;
    padding: 4px;
    text-align: center;
  }

  button {
    background: #0078d7;
    border-radius: 100000px;
    border: 0;
    bottom: 32px;
    color: #ffffff;
    cursor: pointer;
    height: 50px;
    padding: 16px;
    position: fixed;
    right: 32px;
    text-align: center;
    width: 50px;
  }

  #up {
    bottom: 100px;
  }