table.index_thematique {
	font-style:normal;
	font-weight:normal;
	color:black;
	padding:8px;
	border:blue 3px solid;
	margin:auto;
	border-collapse:collapse;
}

table.index_thematique th {
	text-align:center;
}

table.index_thematique tr {
	text-align:center;
	border:solid blue 2px ;
}
table.index_thematique td {
	text-align:justify;
}

span.keyword_of_index {
	background-color:yellow;
}