body{
	background: url(../img/fond.jpg) no-repeat fixed;
	background-position-x: center;

}
#contenu_accueil{
	background: url(../img/fond_blanc_transp.png) repeat;
}
.jumbotronb{
	border-radius: 6px;
	padding: 50px;
	background-color: #CCC; 
}
.red{
	color: red;
}