.bandeau {
    text-align:center;
    background-color:blue;
    /* padding:10px; */
    position:fixed;
    top:0;
    left:0;
    right:0;
}
img {
    vertical-align: top;
}
.item {
    text-align: center;
    padding-top: 60px;
}
.active {
    background-color: lightyellow;
}

.img-legend {
    display: inline-block;
    text-align:center;
    vertical-align: top;
}

.img-legend img {
    width: 100%;
}

.legend {
    width: 100%;
}