body {
	background: #DDD;
	background-image:url(../images/fondtrame.jpeg);
	/*color: rgb(225,206,154);*/
}
h1 {
	background: cyan;
	width : 350px;
	text-align: center;
	margin: 20px auto; /*haut/bas gauche/droit (ici autocentré)*/
	font-family: Arial, sans-serif;
}

h2 {
	background: green;
	width: 75%;
	padding: 15px 0px 10px 5px; /*haut, droite, bas , gauche */
}
p {
	margin: 5px;
}
p.p1 {
	background-color: rgba(180, 79, 131, 0.4);
	margin-bottom: 0px;
}
p.p2 {
	background-color: rgb(180, 79, 131);
	margin-top: 0px;
}
ol.arith {
	list-style-type: lower-roman;
}
img#ca {
	display: block;
	margin: 0 auto;
	width: 120px;
}
img.centrer {
	display: block;
	margin: 0 auto;
}
form {
	width: 420px;
	border: 1px solid black;
	-moz-border-radius: 15px;  /* pour firefox */
	-webkit-border-radius: 15px;   /* pour chrome */
	border-radius: 15px;
	margin: 0px auto;
	padding: 10px;
}
label {
	display: inline-block;
	width: 140px;
	/*background-color: green;*/
}
input {
	margin-bottom: 10px;
}
input:focus {
	background-color: #EAEAEA
}
input[type=submit], input[type=reset]{
	display: block;
	margin: 5px auto;
}
legend {
	font-variant: small-caps;
}