p.number-days, p.number-hours, p.number-minutes, p.number-seconds {
  font-size: 5rem;
  line-height: 1;
}

p.text-countdown {
  font-size: 1.5rem;
}

.boxed-countdown p.number-days, .boxed-countdown p.number-hours, .boxed-countdown p.number-minutes, .boxed-countdown p.number-seconds {
  padding: 2rem 0;
  background: rgba(0,0,0,.2);
}

.boxed-countdown p.text-countdown {
  padding: .5rem 0 .6rem;
  background: rgba(255,255,255,.2);
  margin: 0;
}

.img-ueber-uns:after {
  position: absolute;
  top: 10px;
  left: 10px;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  border: 2px solid #fff;
  background-color: transparent;
  z-index: 10;
  content: "";
  box-sizing: border-box;
}