body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('unnamed.jpg') no-repeat center center fixed;
    background-size: cover;
    filter: blur(8px); 
    z-index: -1; 
    pointer-events: none; 
}

.head {
    text-align: center;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.8); 
    position: relative;
    z-index: 1;
}

.paragraphe {
    background-color: rgba(255, 255, 255, 0.8); 
    padding: 20px;
    margin: 20px;
    position: relative;
    z-index: 1;
}

.appear-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.appear-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}