html,body{
	display:block;
	width:100%;
	height:auto;
	background-color:#ACF;
	margin:auto;
	color:#000;
	font-family: 'Trebuchet MS', sans-serif;
	text-align:center;
	font-size:1.1rem;
}

#header {
	display:block;
	float:none;
	width:90%;
	height:auto;
	margin-top:10px;
	margin-bottom:20px;
	margin-left:5%;
	background-color:#EEE;
	vertical-align:top;
	border-radius:10px;
	padding-top:15px;
	padding-bottom:15px;
}

H1,H2,H3{
	color:#7E3F98;
}

.imagine{ 
width:100%;
margin:auto;
}

#principal {
	display:block;
	float:none;
	width:90%;
	height:auto;
	margin-left:5%;
	background-color:#888;
	padding-top:10px;
	padding-bottom:20px;
	border-radius:10px;
}

.sup {
	display:block;
	float:right;
	width:2%;
	height:auto;
	margin-right:5%;
	margin-bottom:2%;
}

.contenu{
	display:block;
	float:none;
	margin-top:20px;
	padding-top:20px;
	padding-left:15px;
	padding-right:15px;
	width:90%;
	height:auto;
	margin-left:2.5%;
	background-color:#EEE;
	border-radius:10px 10px 10px 10px;
	vertical-align:top;
	text-align:justify;
}

.imag{ 
text-align:center;
width:100%;
margin:auto;
float:none;
}


#footer{
	width:90%;
	height:auto;
	margin-top:20px;
	margin-bottom:10px;
	margin-left:5%;
	display:block;
	position:relative;
	background-color:#EEE;
	float:none;
	border-radius:10px;
	padding-top:15px;
	padding-bottom:15px;
}

.vert {
color:green;
}

.bleu {
color:blue;
}

.rouge {
color:red;
}

#copyright{
	color:#7E3F98;
}

@media screen and (min-width:960px) {

.contenu {
	display:inline-block;
	width:90%;
	margin-left:auto;
}

.imagine{ 
	margin-left:10%;
	margin-right:10%;
	width:auto;
	float:none;
}

.imgd{ 
text-align:center;
margin:auto;

}


}