#container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-content: center;
  width: 100vw;
  height: 100vh;
  flex-wrap: wrap;
  /* position: relative; */
  perspective: 20000px;
  margin:1rem;
  /* margin: 20px auto; */
  /* border-radius: 100px; */
}

.card {
  width: 100px;
  height: 100px;
  display: flex;
  /* position: absolute; */
  transform-style: preserve-3d;
  transition: transform .5s;
  border-radius: 100px;
}

.card figure {
  margin: 0;
  padding: .5rem;
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 100px;
  /* border-radius: 100px; */
}

.card .front {
  background: lightseagreen
}

.card .back {
  background: lightsalmon;
  transform: rotateY(180deg);
}

.card.flipped {
  transform: rotateY(180deg);
}