#main-area {
  border: solid 1px gray;
  padding-bottom: 24px;
}
#counter-area {
   text-align: center;
}
#number {
  margin: 48px 0 24px 0;
  font-size: 10rem;
  line-height: 10rem;
}
#countup {
  display: inline-block;
  font-size: 5rem;
  width: 320px;
  height: 96px;
  line-height: 96px;
  color: white;
  background-color: #eb6100;
  border-bottom: solid 8px #ba4000;
  box-sizing:content-box;
  border-radius: 4px;
  user-select: none;
}

#countup:hover {
  cursor: pointer;
}
#reset {
    margin-top: 12px;
}