#timerStart {
  position: fixed;
  z-index: 100000;
  height: 100%;
  width: 100%;
  display: inline-block;
  left: 0;
  top: 0;
  color: #FF0000;
  display: block;
  font-size: 100px;
  font-weight: bold;
  padding-top: 100px;
  text-align: center;
}