h1{
	color:blue;
	background-color:grey;
	text-align:center;
font-size:450%}

h2{
color:chartreuse;
text-align:center}

h3{
color:white;
text-align:center}

img{
width: 45%}

body{
	background-image: url("image/fonc ia etroite.jpg");
	background-size:100%}


.bouton{
	margin-top: 10px;
	padding: 10px 20px;
	background-color: #4CAF50;
	color: white;
	border: none;
	border-radius: 5px;
	transition: transform 0.3s ease;
	text-decoration: none;
}