a.titre:link {
  font-size: 20;
  font-weight: bold;
  color: #404040;
  }
a.titre:hover {
  font-size: 20;
  font-weight: bold;
  color: #404040;
  background: #404040
  }
a.titre:active {
  font-size: 20;
  font-weight: bold;
  color: #404040;
  background: #404040
  }
a.titre:visited {
  font-size: 20;
  font-weight: bold;
  color: #FFFFFF;
  }

<div id="bloc" style ="width:99px; height:28px; background-color: #333300"></div>

<div id="centre" style="position:absolute; left:156px; top:110px; width:828px; height:425px; z-index:4"></div>


body,td,th {
	font-family: Verdana, Arial, Helvetica, sans-serif;
}

.Style1 {
  font-size: 10;
  color: #000000;
  }

.Style_titre_page {
  font-family: Verdana;
  font: bold;
  font-size: 28;
  color: #000080;
  }
.Style_titre_paragraphe {
  font-family: Verdana;
  font: bold;
  font-size: 16;
  color: #000000;
  }
.Style_texte_paragraphe {
  font-family: Verdana;
  font-size: 13;
  color: #000000;
  text-align:justify;
  }
.Style_texte_paragraphe2 {
  font-family: Verdana;
  font-size: 9;
  color: #000000;
  text-align:center;
  }
td.tdover {
	border: 1px solid #FFFFFF;
	background-color: #A6B388;
}
td.tdover:hover {
	border: 1px solid #666666;
	background-color: #666666;
	color: #666666;
}


.fdgris {
	background-color: #666666;
	padding: 4px;
}
.fdcolor1 {
	background-color: #A6B388;
	padding: 4px;
}
.fdcolor2 {
	background-color: #99CCCC;
	padding: 4px;
}
.fdcolor3 {
	background-color: #FFE9B7;
	padding: 4px;
}

.fdcolor4 {
	background-color: #FBF7DA;
	padding: 4px;
}
body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
}
.imageborder {
	border: 1px solid #666666;
}