.bouton {
    width: 70px;
    height: 70px;
    text-align: center;
    margin-right: 5%;
    margin-left: 5%;
}

.bouton:hover {
    opacity: 0.7;
}

.ligne {
    width: 100%;
    height: 2px;
    background-color:#724937;
}

.map-responsive {
    overflow:hidden;
    padding-bottom:25%;
    position:relative;>
    height:0;
    margin-top: 20px;
}

.map-responsive iframe {
    left:0;
    top:0;
    height:100%;
    width:100%;
    position:absolute;
}

.gallery {
    display: inline-block;
    margin-top: 20px;
}

.echelle {
    transition: all .1s ease-in-out;
}

.echelle:hover {
    transform: scale(1.1);
}