body {
	background-image: url(images/fond_ecran.jpg);
	background-repeat: repeat;
}
.page {display: flex; flex-wrap: wrap; justify-content: space-around; }

.demipage {width : 510px ; margin-bottom: 10px ; color : green ; border : solid 2px yellow ; }
.demipage h2 ,.demipage h3 {text-align : center ;}

.diapo_centre{position:relative;text-align: center;}

.diapo,.diapoB, .diapoB2 {width : 500px ;	text-align: center;/*les images vont se supperposer*/}

@media all and (max-width: 1024 px)
{
	.page{width: auto;}
}