h1           { font-family: Arial; font-size: 24 pt; font-weight: bold }
h2           { font-family: Arial; font-size: 14 pt }
h3           { font-family: Arial; font-size: 12 pt }
h4           { font-family: Arial; font-size: 8 pt}
h5           { font-family: Arial; font-size: 8 pt; font-style: italic }

.ligne_titre { border-top-style: solid; border-top-color: #FF0000; border-bottom-style: solid; border-bottom-color: #000000}