main aside {
	top: 8em;
}

aside .ad {
	
}

figure.articleIllustration {
	max-height: 22em;
}

.categories figure{
display:inline-block ;
vertical-align: middle;
}
.categories img{
	border-radius : 50%;
	height: 2.5em ;
	width: 2.5em ;
	margin-right:0.5em ;
	
}

@media ( max-width :800px) {
	.blog article.w70, aside.w30 {
		width: 100%;
		display: block;
	}
	aside.w30 {
		position: relative;
		top: 0;
		padding-left: 0;
	}
	
	aside .ad {
	margin-top:3em ;
}
}