body {
	margin: 0;
	padding: 0;
	font-family: "Arial", sans-serif;
	background: url("image-fond.png") center/cover no-repeat fixed;
	display: flex;
	justify-content: center;
	align-items: center;
	height: 90vh;
}

/* Rectangle centré */
.center-box {
	background: rgba(255, 255, 255, 0.90);
	padding: 40px 50px;
	width: 90%;
	max-width: 1200px;
	border-radius: 15px;
	box-shadow: 0 6px 18px rgba(0,0,0,0.15);
	text-align: center;
}

/* Titre */
.center-box h1 {
	margin-top: 0;
	margin-bottom: 20px;
	font-size: 2.5rem;
	font-weight: 700;
}

/* Texte */
.center-box p {
	font-size: 2.0rem;
	line-height: 1.6;
}