* { margin: 0px;
padding:0px;
}
html,body {
	text-align: center;
}

#bloc {
	text-align: center;
}

#bloc2 {
	text-align: center;
	width: 350px;
}
#bloc #bloc2 .links_connexion {
	float: left;
}
a.btn_hd {
	background-image: url(../imgs/connexion/btn_hd.jpg);
	background-repeat: no-repeat;
	height: 33px;
	width: 142px;
	display: block;
}
a.btn_hd:hover {
	background-image: url(../imgs/connexion/btn_hd_hover.jpg);
}

a.btn_bd {
	background-image: url(../imgs/connexion/btn_Bd.jpg);
	background-repeat: no-repeat;
	height: 33px;
	width: 142px;
	display: block;
}
a.btn_bd:hover {
	background-image: url(../imgs/connexion/btn_Bd_hover.jpg);
}