div.countdown {
    margin-top: 10px;
    margin-bottom: 10px;
    text-align: center;
    color: darkblue;
    font-weight: bold;
    font-size: 500%;
}

.scroll {
  height: 133px;
  width: 100px;
  border: 2px solid black;
  overflow: auto;
  display: flex;
  flex-direction: column-reverse;
}