body {
    font-family: sans-serif;
    margin: 0;
    background-color: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
    overflow: hidden;
}

.image-container {
    position: relative;
    height: 200px;
    width: 200px;
    transform-style: preserve-3d;
    transform: perspective(4000px);
    transition: transform 1s ease;
}

.image-container span {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transform: rotateY(calc(var(--i) * 45deg)) translateZ(250px);
    transition: opacity 1s ease, filter 1s ease;
    opacity: 0;
    filter: blur(10px);
}

.image-container span.active {
    opacity: 1;
    filter: blur(0);
}

.image-container span.next,
.image-container span.prev {
    opacity: 0.5;
    filter: blur(5px);
}

.image-container span.hidden {
    display: none;
}

.image-container span img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.btn-container {
    position: relative;
    width: 70%;
}

.btn-container button {
    position: absolute;
    border: none;
    background-color: rgb(45, 183, 45);
    color: white;
    border-radius: 10px;
    padding: 5px 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    transform: scale(1.1);
}

.previous {
    left: 20%;
}

.next {
    right: 20%;
}