.bcentre {
	width: 320px;
	float:left;
	line-height:18px;
	border-top-width: thin;
	border-right-width: thin;
	border-bottom-width: thin;
	border-left-width: thin;
	border-top-style: outset;
	border-right-style: outset;
	border-bottom-style: outset;
	border-left-style: outset;
	background-color: #FFFFFF;
	height:100%;
}
.bgauche {

width:210px;
float:left;
background-color: #FFFFFF;
}
.bdroite {
padding-left:5px;
width:220px;
float:left;
background-color: #FFFFFF;
}
.second {
	line-height:18px;
	border-top-width: thin;
	border-right-width: thin;
	border-bottom-width: thin;
	border-left-width: thin;
	background-color:#EEEEEE;
	border-top-style: outset;
	border-right-style: outset;
	border-bottom-style: outset;
	border-left-style: outset;
}
.etude {
	padding-top:10px;
	padding-bottom: 10px;
}
.bordure {
border-color:#000000;
border:1px inset #000000;
}