#tableau point tout {
	border: 1px dotted #999999;
}
#tableau no point {
	border-top-style: none;
	border-right-style: none;
	border-bottom-style: none;
	border-left-style: none;
}
#tableau point B {
	border-bottom-width: 1px;
	border-bottom-style: dotted;
	border-bottom-color: #999999;
}