style.css

*{
    margin:0;
    padding:0;
    text-decoration: none;
    font-family: "Roboto";
}

body {
    background: #9A988F;
}

.img-fluid {
    height: 100%;
    width: 100%;
}

.middle {
    position: absolute;
    top:50%;
    left: 50%;
    transform: translate(-50%,-50%);
}

.card {
    cursor: pointer;
    width: 24rem;
    height: 40rem;
}

.front,.back {
    width: 100%;
    height: 100%;
    overflow: hidden;
    backface-visibility: hidden;
    position: absolute;
    transition: transform linear .6s;
}

.front {
    background-color: #fff;
    transform: perspective(600px) rotateY(0deg);
    background-size: cover;
    background-position: center;
    background-image: url(./photo_2021-06-03_13-57-36.jpg);
}

.back{
    background-color: #fff;
    transform: perspective(600px) rotateY(180deg);
}

.back-content {
    color: #131435;
    text-align: center;
    width: 100%;
}

.sm {
    margin: 1.5em 0;
}

.sm a{
    display: inline-flex;
    width:2em;
    height: 2em;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    color: #131435;
    transition: .4s;
    border-radius: 50%;
}

.sm a:hover {

    background-color: #131435;
    color: #fff;
}

.card:hover > .front {
    transform: perspective(600px) rotateY(-180deg);
}

.card:hover > .back {
    transform: perspective(600px) rotateY(0deg);
}