* {
	box-sizing:border-box;
	font-family:verdana;
}

body {
	background:#cccccc;
}

h1 {
	color:#e47600;
	font-size:25px;
	text-align:center;
	width:50%;
	border:3px dotted #e47600;
	padding:10px;
	margin:0 auto;
}

h2 {
	color:#e47600;
	font-size:20px;
}

.main {
	width:1000px;
	max-width:100%;
	margin:20px auto;
	box-shadow:5px 5px 5px #222222;
	padding: 30px;
	background: #ffffff;
}

.un_bloc {
	max-width:100%;
	clear:right;
}


.demi_bloc {
	width:50%;
	float:left;
}

.bloc_identite {
	background:#ffeddb;
	padding: 10px;
	float:right;
	margin: 20px;
}

.bloc_identite p {
	margin:3px;
}


.bloc_images, .bloc_video {
	text-align:center;
	}

.une_image {
    height: auto;
	max-height:150px;
	max-width:30%;
    margin:2%;
	}
	
.tres_important {
	color:red;
	text-decoration:underline;
}