header{
	background-color:lightblue;
	border:solid 1px;
}
h1{
	background-color:lightyellow;
	border:solid 1px;
}
.conteneurp{
	display: flex;
	flex-direction:row;
	width:100%;	
}
.conteneur{
	display: flex;
	flex-direction:column;
	width:50%;	
}
.conteneurv{
	display: flex;
	flex-direction:column;
	width:50%;	
}
article{
	background-color:lightgreen;
	border:solid 1px;
}
section{
	background-color: lightpink;
	border:solid 1px;	
}
aside{
	background-color:orange;
	height:50%;	
	border:solid 1px;	
}
footer{
	background-color:lightgrey;
	border:solid 1px;
}