* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 10px;
    transition: background 0.4s ease-in;
    background-color: #202b36;
    background: radial-gradient(circle, rgb(241, 243, 242), rgb(0, 0, 0));
}

input[type=radio] {
    display: none;
}

.card {
    position: absolute;
    width: 60%;
    height: 100%;
    left: 0;
    right: 0;
    margin: auto;
    cursor: pointer;
    transition: transform 0.4s ease;
}

.container {
    width: 100%;
    height: 100%;
    max-width: 800px;
    max-height: 600px;
    transform-style: preserve-3d;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

.cards {
    position: relative;
    width: 100%;
    height: 100%;
    margin-bottom: 20px;
}

img {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    object-fit: cover;
}

#item-1:checked~.cards #img-3,
#item-2:checked~.cards #img-1,
#item-3:checked~.cards #img-2 {
    transform: translateX(-40%) scale(0.8);
    opacity: 0.4;
    z-index: 0
}

#item-1:checked~.cards #img-2,
#item-2:checked~.cards #img-3,
#item-3:checked~.cards #img-1 {
    transform: translateX(40%) scale(0.8);
    opacity: 0.4;
    z-index: 0
}

#item-1:checked~.cards #img-1,
#item-2:checked~.cards #img-2,
#item-3:checked~.cards #img-3 {
    transform: translateX(0) scale(1);
    opacity: 1;
    z-index: 1
}

#item-1:checked~.cards #img-1 img,
#item-2:checked~.cards #img-2 img,
#item-3:checked~.cards #img-3 img {
    box-shadow: 0px 0px 5px 0px rgba(81, 81, 81, 0.47);
}