body {
    background-image: url(/image/fond_optik.jpg);
    font-family: sans-serif;
}

header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 7px;
}

header h1 {
    font-family: garamond;
}

main {
    column-count: 4;
    margin-top: 20px;
    margin-bottom: 20px;
    background-image: url(/image/fond_jaune.png);
}

footer {
    display: flex;
    justify-content: space-evenly;
    background-color: #83c6f3;
    padding-top: 15px;
    padding-bottom: 10px;
    border-top-left-radius: 40px 20px;
    border-bottom-right-radius: 20px 40px;
}

footer h2 {
    text-transform: uppercase;
    font-family: garamond;
    font-size: large;
    text-align: left;

}

footer p {
    line-height: 175%;
}



.Image {
    border: 5px solid rgb(255, 111, 0);
    margin-right: 35px;
}

.liste a {
    text-decoration: none;
    color: maroon;

}

.liste {
    padding-left: 0px;
    padding-right: 15px;
}


.liste {
    list-style-type: none;
}

#bloc_page {
    width: 90%;
    margin: auto;

}

#banniere_image {

    background-size: cover;
    height: 150px;
    background-image: url(/image/oeil_bandeau.jpg);
    position: relative;
    border-radius: 5px;
    box-shadow: 0 5px 9px black;
}

#b {
    width: 100%;
    color: white;
    opacity: 1;
    background-color: #881818cc;
    border-radius: 5px;
    position: absolute;
    bottom: 0px;
}

#b p {
    margin-left: 5px;
}

#amis {
    display: flex;
}