.karo,
.herz {
  color: red;
}
.pik,
.kreuz {
  color: black;
}


div#cross {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: red;
  font-size: 2rem;
  z-index: 10;
}

.card-container {
  perspective: 1000px;
  width: var(--card-width);
  height: var(--card-height);
  box-shadow:  -2px 2px 2px rgba(0,0,0,0.3);
  padding: 0.65rem;
  border-radius: 0.65rem;
  background-color: white;
  box-sizing: border-box;
  transition: transform 0.2s ease-in-out;
  & > * {
    box-sizing: border-box;
  }
  &.card-hover {
    transform: translateY(-0.5rem);
    
  }
  &.card-hover-main {
    transform: translateY(-1.5rem);
  }
  &.scale {
    animation: scale-small 2s ease-in-out infinite;
  }

}


.card {
  display: flex;
  justify-content: space-between;


  font-family: 'Georgia', serif;
  font-size: 1.25rem;

  & div.top.left {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;

  }
  & div.bottom.right {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;

  }
}
.card.red {
  color: red;
}
.card.black {
  color: black;
}


.card-flip {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 1s;
}
/* .card-container:hover .card-flip {
  transform: rotateY(180deg);
} */
.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 0.65rem;
}
.card-back:not(.placeholder) {
  transform: rotateY(180deg);
}
.card-back.red {
  background: repeating-linear-gradient(45deg, #600, #600 10px, #a00 10px, #a00 20px);
}
.card-back.black {
  background: repeating-linear-gradient(45deg, #000, #000 10px, #333 10px, #333 20px);
}