.Gl {width:168px;float:left;margin:10px;}
.GaleriListe{/*background:#ccc;*/border:1px solid #eee;}
.GaleriListe img {opacity:1;transition:all 0.7s ease-in-out;}
.GaleriListe:hover img{opacity:0.5;transition:all 0.7s ease-in-out;}