card.css

body {

    margin: 0;
    padding: 0;
    background: #333;
    /*display: flex;
    justify-content: center;
    align-items: center;*/
    font-family: consolas;

}

img {
    width: 100px;
    filter: brightness(0) invert(1);

}

/*.container {
    width: 75vw;
    position: relative;
    display: flex;
    justify-content: space-between;
}*/

.container {
    /*width: 75vw;
    position: relative;*/
    /*margin: 0 auto;*/
    /*justify-content: space-between;*/
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    grid-gap: 3.89em;
    min-height: 100vh;
    justify-items: center;
    align-items: center;
}

.container .card .face {
    width: 300px;
    height: 200px;
    overflow: hidden;
    transition: 0.5s;
}

.container .card .face.face1 {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #333;
    z-index: 1;
    transform: translateY(100px);
}

.container .card:hover .face.face1 {
    transform: translateY(0);
    background: #ff0057;
}

.container .card .face.face1 .content {
    opacity: 0.2;
    transition: 0.5s;
}

.container .card .face.face1 .content h3 {
    color: #fff;
    text-align: center;
}

.container .card:hover .face.face1 .content {
    opacity: 1;
}

.container .card .face.face2 {
    position: relative;
    background: #fff;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    transform: translateY(-100px);
}

.container .card:hover .face.face2 {
    transform: translateY(0);
}

.container .card .face.face2 .content {
    margin: 0;
    padding: 0;
}

.container .card .face.face2 .content a {

    margin: 15px 0 15px;
    text-decoration: none;
    display: inline-block;
    font-weight: 900;
    padding: 5px;
    color: #333;
    border: 1px solid #333;
}

.container .card .face.face2 .content a:hover {

    color: #fff;
    background: #333;
}