.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:100px;
width: 100%;
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);
}

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