.header{
    background-color: blue;
    text-align: center;
    text-decoration: solid;
    

}
.body{
    background-color: aqua;
    text-align: center;

}
.footer{
    background-color: blue;
    text-align: center;
	color:white;
}
#pied{
    text-align: left;

}
#date{
    text-align: right;
}
#principale{
	background-color: red;
}
#prenom{
	text-align:left;
	color: white;
}
#index{
	background-color: aqua;
	text-align: center;
}
.p{
	text-align:center;
	background-color: blue;
}