body{
    background-image: url("http://www.altabarilab.com/img/bg-img/prise-de-sang-analyse-medicale-laboratoire.jpg");
    background-repeat: no-repeat;
    background-size: cover;
}
#map{
    width: 80vw;
    height: 70vh;
    margin-top: 80px;
    margin-left: 10vw;
}
.center{
    text-align: center;
}