style.css

:root {
    --background: #3C343D;
    --background-card: #6B626C;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;  
}

.background {
    background-color: var(--background);
    display: grid;
    place-items: center;
    height: 100vh;
}

.gallery {
    display: flex;
    left: calc(50% - 330px);
}

.card {
    position: relative;
    left: 0px;
    width: 110px;
    height: 160px;
    background-color: var(--background-card);
    border-radius: 8px;
    transition: 1s ease-in-out;
    overflow: hidden;
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.5);
}

.card:not(:first-child) {
    margin-left: -45px;
}

.card:hover {
    transform: translateY(-16px);
    font-weight: bold;
    cursor: pointer;
}

.card:hover ~ .card {
    left: 55px;
}

.card img {
    height: 160px;
    object-fit: cover;
    border-radius: 4px;
}




/* https://hype4.academy/tools/glassmorphism-generator */

/* frosted border */
/* https://dev.to/dailydevtips1/css-frosted-glass-credit-card-3lak */