.stacked-cards {
    position: relative;
}
.stacked-cards ul {
    position: relative;
    max-width: 60%;
    margin: 0 auto;
    padding-left: 0;
}

.stacked-cards li {
    margin-top: 5px;
    cursor: pointer;
    border-radius: 8px;
    /*box-shadow: 0 3px 6px 0px #333;*/
    list-style: none;
    width: 65%;
    position: absolute;
    left: 50%;
    transition: 0.5s ease transform;
}

.stacked-cards li:after {
    bottom: 0;
    content: "";
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
}
.stacked-cards li.active:after {
    display: none;
}
.stacked-cards li img {
    position: relative;
    display: block;
    max-width: 100%;
    height: auto;
    z-index: 4;
}
.stacked-cards li.active {
    cursor: default;
    /*box-shadow: 0 5px 10px 0px #333;*/
    transition: 0.5s ease transform;
}