/*
 * Correction des styles HTML par defaut
 */

.structure {
	display: none;
}
h1,h2,h3,h4 {
	margin-top: 0em;
	margin-bottom: 0em;
	font-size: 100%;
	font-weight: normal;
}

/*
 * Styles generaux
 */

/* bien regler la marge (bugs IE) */
body {margin: 0px; padding: 0px;LEFTMARGIN: 0px; TOPMARGIN: 0px; MARGINWIDTH: 0px; MARGINHEIGHT: 0px;}
a { text-decoration: none; color: #505050; }
a:hover { text-decoration: none; color: #303030; background: #e8e8e8; }
a.spip_out { text-decoration: none; color: #a02020; }
a.spip_in, a.spip_url { text-decoration: none; color: #2020a0; }
a.spip_glossaire { text-decoration: none; color: #20a020; }

.chapo {
	font-family: "Trebuchet MS", Tahoma, Arial, Helvetica, sans-serif;
	font-weight: bold;
	text-align: justify;
	font-size: 105%;
}
<!--
.texte, .texte p.spip {
	font-family: Georgia, Garamond, Times, serif;
	text-align: justify;
	font-size: 70%;
}

-->

.texte, .texte p.spip {
	font-family: Arial;
	font-size: 12px;
	color: #444444;
	text-decoration:none;
}

.texte_accueil{
	font-family: Arial;
	font-size: 11px;
	color: #444444;
	text-decoration:none;
}

.texte_forum {
	font-family: Arial;
	font-size: 13px;
	color: #444444;
	text-decoration:none;
}

.texte_forum_item {
	font-family: Arial;
	font-size: 13px;
	color: #444444;
	text-decoration:none;
}

.Menu_texte {
	font-family: Georgia, Garamond, Times, serif;
	text-align: center;
	font-weight: bold;
	font-size: 70%;
}


.ps {
	font-family: Georgia, Garamond, Times, serif;
	text-align: justify;
	font-size: 85%;
}
.notes {
	font-family: Georgia, Garamond, Times, serif;
	text-align: left;
	font-size: 80%;
}

/*
 * Ici les styles pour le contenu
 */
<!--
.contenu h1,h2 {
	font-size: 120%;
	font-weight: bold;
}
-->

.contenu h1,h2 {
	font-size: 100%;
	font-weight: bold;
}

.contenu h1,h2.titre-extrait {
	font-size: 120%;
	font-weight: bold;
}
<!--
.contenu h1,h2.titre-texte {
	font-size: 190%;
	font-weight: bold;
}
-->

.contenu h1,h2.titre-texte {
	font-family: "Trebuchet MS", Tahoma, Arial, Helvetica, sans-serif;
	font-weight: bold;
	text-align: center;
	font-size: 100%;
}


.contenu .surtitre {
	font-size: 110%;
	font-weight: bold;
	font-variant: small-caps;
}
.contenu .detail {
	font-size: 80%;
	color: #303030;
}
.extrait {
	border: groove 2px #a0a0a0;
	padding: 1em;
	font-size: 85%;
}


/*
 * Disposition a l'ecran
 */

#principal {
	font-family: "Trebuchet MS", Tahoma, Arial, Helvetica, sans-serif;
}

#plan {
	font-family: "Trebuchet MS", Tahoma, Arial, Helvetica, sans-serif;
}

#navigation {
	font-family: Verdana, Arial, Helvetica, sans-serif;
}

.encart {
	font-family: Verdana, Arial, Helvetica, sans-serif;
}

.texte_date{
	font-family: Arial;
	font-size: 9px;
	color: #444444;
	text-decoration:none;
}