@import url('https://fonts.googleapis.com/css2?family=Poppins&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    text-align: center;
}

#slider {
    position: relative;
    width: 576px;
    margin: auto;
    display: flex;
    align-items: center;
}

#slide_dessous,
#slide_dessus {
    position: relative;
}

#slide_dessus {
    z-index: 1;
}

#slide_dessous {
    left: -100%;
}

#precedent,
#suivant {
    position: absolute;
    z-index: 2;
    font-size: 20px;
    background-color: rgba(0, 0, 0, 0.7);
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#precedent {
    left: 0;
}

#suivant {
    right: 0;
}

#slider:hover #precedent,
#slider:hover #suivant {
    opacity: 1;
}