body
{
	box-sizing: border-box;
	font-size: 15px;
	display: block;
	margin: 0;
	padding: 0;
}
header img
{
	width: 50%;
	margin-left: 10%;
	margin-top: 10px;
}
@media screen and (max-width: 456px)
{
	header img
	{
		width: 80%;
		margin-left: 10%;
	}
}
#Centre
{
	font-size: 20px;
	width: 90%;
	text-align: center;
	padding: 1%;
	margin-left: 4%;
	margin-top: 30px;
	line-height: 200%;	
}