body{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

footer{
    display: flex;
    background: grey;
}

.ul_footer{
    display: flex;
    margin-left: 8%;
}

.il_footer{
    list-style: none;
    margin: 19px;
    margin-left: 24px;
    color: #2c354e;
}

.année{
    margin-left: 46%;
    font-size: 13px;
    margin-top: 25px;
    color: darkgrey;
}