table {border-collapse: collapse;}
table.ligne_pleine {border-style: solid;}
table.ligne_double {border-style: double;}
table.pointille {border-style: dotted;}
table.discontinu{border-style: dashed;}
table.engrave{border-style: groove;}
table.embosse {border-style: ridge;}
table.relief {border-style: outset;}
table.creux {border-style: inset;}