.boutonImage a.et_pb_lightbox_image:before{display:block;content:'Agrandir';position:absolute;width:110px;text-align:center;height:35px;margin:0 auto;left:0;right:0;bottom:20px;line-height:35px;color:white;border:0px;z-index:1;background-color:rgba(0,0,0,0.58)}