body {
	background-image:url(fond.png); 
	color:silver;
	text-align:center;
}
table {
	margin:0;
	margin:auto;
}
h1 {
	font-size:2em;
	border:5px ridge yellow;
}
.une {width:420px;}
.deux {width:210px;}
.trois {width:140px;}
.quatre {width:105px;}
.cinq {width:84px;}
.six {width:70px;}
.soumettre {display:none;}
input[type=button], input[type=submit] {cursor:pointer;}
#erreur {
	font-size:2em;
	color:red;
}
#lien a {
	font-weight:bold;
	color:yellow;
	text-decoration:overline underline;
}
@media print { .ecran { display:none } }