.image-flip:hover .backside,
.image-flip.hover .backside {
  -webkit-transform: rotateY(0deg);
  -moz-transform: rotateY(0deg);
  -o-transform: rotateY(0deg);
  -ms-transform: rotateY(0deg);
  transform: rotateY(0deg);
}

.image-flip:hover .frontside,
.image-flip.hover .frontside {
  -webkit-transform: rotateY(180deg);
  -moz-transform: rotateY(180deg);
  -o-transform: rotateY(180deg);
  transform: rotateY(180deg);
}

.image-flip {
  margin-bottom: 400px;
  width: 300px;
  height: 200px;
}

.mainflip {
  -webkit-transition: 1s;
  -webkit-transform-style: preserve-3d;
  -ms-transition: 1s;
  -moz-transition: 1s;
  -moz-transform: perspective(1000px);
  -moz-transform-style: preserve-3d;
  -ms-transform-style: preserve-3d;
  transition: 1s;
  transform-style: preserve-3d;
  position: relative;
}
.frontside,
.backside {
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
  -ms-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transition: 1s;
  -webkit-transform-style: preserve-3d;
  -moz-transition: 1s;
  -moz-transform-style: preserve-3d;
  -o-transition: 1s;
  -o-transform-style: preserve-3d;
  -ms-transition: 1s;
  -ms-transform-style: preserve-3d;
  transition: 1s;
  transform-style: preserve-3d;
  position: absolute;
  top: 0;
  left: 0;
}

.frontside {
  -webkit-transform: rotateY(0deg);
  -ms-transform: rotateY(0deg);
  z-index: 2;
}
.backside {
  background: white;
  -webkit-transform: rotateY(-180deg);
  -moz-transform: rotateY(-180deg);
  -o-transform: rotateY(-180deg);
  -ms-transform: rotateY(-180deg);
  transform: rotateY(-180deg);
  height: 475px;
}

.card,
.card-img-top {
  border-radius: 0;
}

#popImg {
  height: 400px;
  object-fit: contain;
}