style.css

body{
	background: url('image/herbe.jpg') repeat;
	font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
	font-size: 12px;
}
a, a:hover, a:active, a:hover{
	text-decoration: none;	
}
.title{
	color: black;
	font-size: 24px;
	margin: 0;
	width: auto;
}
.author{
	color: black;
	margin-bottom: 10px;
}
.form_labyrinthe{
	background: white;
	border-radius: 4px;
	display: block;
	margin: 0 auto;
	padding: 10px;
	width: 500px;
	position: absolute;
	top: 25%;
	left: 30%;
}
.form_labyrinthe fieldset{
	margin-top: 20px;
	text-align: center;
}
.form_labyrinthe {
	text-align: center;
}

/** Bouton valider **/
.bouton_submit {
    font-family: Verdana, Geneva, sans-serif;
    font-size: 24px;
    color: #FFF;
    padding: 5px 10px 5px 10px;
    border: solid 1px #CCC;
    background: #458B00;
    text-shadow: 0px 1px 0px #000;
    border-radius: 5px;
    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    box-shadow: 0 1px 3px #111;
    -moz-box-shadow: 3px 3px 1px #999;
    -webkit-box-shadow: 3px 3px 1px #999;
    cursor: pointer;
	margin: 20px auto 0 auto;
	width: 100px;
	display: block;
 
}
.bouton_submit:hover {
    background: #3B5323;
}