.legend {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 213px;
    height: 100px;
    z-index: 99999;
}

.eclosion {
    background: url(../images/eclosion.png);
}

.propagation {
    background: url(../images/propagation.png);
}

.synthese {
    background: url(../images/synthese.png);
}
.hygrometrie {
    background: url(../images/hygrometrie.png);
    width: 398px;
    height: 100px;
}

.temperature {
    background: url(../images/temperature.png);
    width: 416px;
    height: 100px;
}

.vent {
    background: url(../images/vent.png);
    width: 426px;
    height: 100px;
}