carousel.css

/* body {
    margin: 0;
    font-family: "Roboto", sans-serif;
    font-size: 16px;
} */

.carousel h1 {
    text-align: center;
    margin-bottom: 1.5em;
}

.carousel h2 {
    text-align: center;
    color: #555;
    margin-bottom: 0;
}

.carousel {
    padding: 20px;
    perspective: 500px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.carousel>* {
    flex: 0 0 auto;
}

.carousel figure {
    margin: 0;
    width: 40%;
    transform-style: preserve-3d;
    transition: transform 0.5s;
}

.carousel figure img {
    width: 100%;
    box-sizing: border-box;
    padding: 0 0px;
}

.carousel figure img:not(:first-of-type) {
    position: absolute;
    left: 0;
    top: 0;
}

.carousel nav {
    display: flex;
    justify-content: center;
    margin: 20px 0 0;
}

.carousel nav button {
    flex: 0 0 auto;
    margin: 0 5px;
    cursor: pointer;
    color: #333;
    background: none;
    border: 1px solid;
    letter-spacing: 1px;
    padding: 5px 10px;
}