.cadreImage{float:left; width:calc(25% - 7.5px); width:-moz-calc(25% - 7.5px); width:-webkit-calc(25% - 7.5px); margin-right:10px; margin-top:10px}
.cadreImage *{-webkit-box-sizing:border-box; -moz-box-sizing:border-box; -ms-box-sizing:border-box; -o-box-sizing:border-box; box-sizing:border-box; }
.cadreImage:nth-child(4n){margin-right:0;}
.cadreImage img{float:left; width:100%; cursor:pointer}