footer{
    background: #f2f2f2;
    margin: auto;
    margin-top: 40px;
    margin-bottom: 40px;
}

.style-footer{
    display: flex;
    justify-content: space-between;
    width: 80%;
    padding: 30px;
    padding-left: 0;
    margin-left: 30px;
}
.style-ul{
    padding-left: 0;
    list-style-type: none;
}
.titre-footer{
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 20px;
}
.style-ul li{
    padding-bottom: 10px;
}