.container{
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    width: 1000px;
    transform-style: preserve-3d;
}
.container .box{
    position: relative;
    width: 300px;
    height: 400px;
    margin: 20px 0;
    perspective: 1000px;
    overflow: hidden;
    transform-style: preserve-3d;
}
.container .box .imgBx{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-origin: top;
    transform-style: preserve-3d;
    transition: .5s;
    transition-delay: 0.2s;
}
.container .box:hover .imgBx{
    opacity: 0;
    transform: rotateX(-90deg);
    transition-delay: 0s;
}
.container .box .imgBx img{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
} 
.container .box .conBx{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #555;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
    transform-origin: bottom;
    transform-style: preserve-3d;
    transition: .5s;
    transform: rotateX(90deg);
    opacity: 0;
    color: #fff;
}
.container .box:hover .conBx{
    opacity: 1;
    transform: rotateX(0deg);
    transition-delay: 0.2s;
}