.wb-advent-card {
  perspective: 1000px;

  margin-bottom: 35px;
}

.wb-advent-card .wb-advent-card-inner-container {
  transition: transform 0.8s;
  transform-style: preserve-3d;

  height: 100%;
}

.wb-advent-card.wb-past_date:hover .wb-advent-card-inner-container {
  transform: rotateY(180deg);
}

.wb-advent-card > div > *,
.wb-advent-card.wb-farbe-gelb > div > * {
  background-color: rgb(255, 208, 0);
}

.wb-advent-card.wb-farbe-dunkelblau > div > * {
  background-color: rgb(34, 95, 125);
}

.wb-advent-card.wb-farbe-blau > div > * {
  background-color: rgb(0, 151, 182);
}

.wb-advent-card > div > * {
  position: relative;
  padding: 100px 70px;

  border-radius: 30px;
  overflow: hidden;

  -webkit-backface-visibility: hidden; /* Safari */
  backface-visibility: hidden;

  height: 100%;
}

.wb-advent-card .wb-advent-card-front {

}

.wb-advent-card .wb-advent-card-front .wb-advent-card-front-inner {
  position: relative;
  z-index: 1;
}

.wb-advent-card .wb-advent-card-front h3 {
  font-size: 25px;
  font-style: italic;
  font-weight: bold;

  margin-bottom: 15px;
}

.wb-advent-card .wb-advent-card-front p {
  font-size: 20px;
  font-weight: bold;
  color: #000;
}

.wb-advent-card .wb-advent-card-front .background-date {
  position: absolute;
  bottom: 0;
  right: 0;

  font-size: 180px;
  font-weight: bolder;
  color: #fff;

  line-height: 1;
  z-index: 0;
  opacity: 0.4;
}

.wb-advent-card .wb-advent-card-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;

  transform: rotateY(180deg);
}

.wb-advent-card > div > *.no-paddings,
.wb-advent-card > div > *.no-paddings {
  padding: 0 !important;
}

.wb-advent-card .wb-advent-card-back * {
  color: #000;
  font-size: 25px !important;
  line-height: 1.3;
}

.wb-advent-card .wb-advent-card-back a {
  text-decoration: underline !important;
}

.wb-advent-card .wb-advent-card-back *:last-child {
  margin-bottom: 0 !important;
}

@media (max-width: 991px) {
  .wb-advent-card .wb-advent-card-back * {
    font-size: 15px !important;
  }

  .wb-advent-card > div > * {
    padding: 70px 35px;
  }
}