body{
background-color:#D2D2D2;
font-family:arial, verdana, helvetica, sansserif;
font-size:13px;
color:#404040;
margin:0;
z-index:0;
}

#accueil h1{
text-indent:-2000px;
margin:0;
line-height:0;
}

#accueil h2{
text-indent:-2000px;
margin:0;
line-height:0;
}

#accueil {
position:relative;
margin:0 auto;
padding:0;
width:775px;
height:560px;
background:url(accueil/accueil.jpg) no-repeat;
z-index:10;
}

a#structure {
position:absolute;
display:block;
width:165px;
height:25px;
top:170px;
left:35px;
background:url(accueil/structure.gif) no-repeat 0 0;
}

a#structure:hover {
display:block;
background-position:0 -30px;
text-decoration:none;
}

a#structure .hidden {
display:none;
}

a#structure:hover .hidden {
display:block;
position:absolute;
width:800px;
top:298px;
left:20px;
text-align:left;
color:#EFEFEF;
letter-spacing:0.1em;
font-weight:bold;
}

a#activites {
position:absolute;
display:block;
width:150px;
height:25px;
top:258px;
left:95px;
background:url(accueil/activites.gif) no-repeat 0 0;
}

a#activites:hover {
display:block;
background-position:0 -25px;
text-decoration:none;
}

a#activites .hidden {
display:none;
}

a#activites:hover .hidden {
display:block;
position:absolute;
width:800px;
top:210px;
left:-50px;
text-align:left;
color:#EFEFEF;
letter-spacing:0.1em;
font-weight:bold;
}

a#moyens {
position:absolute;
display:block;
width:145px;
height:25px;
top:350px;
left:20px;
background:url(accueil/moyens.gif) no-repeat 0 0;
}

a#moyens:hover {
display:block;
background-position:0 -25px;
text-decoration:none;
}

a#moyens .hidden {
display:none;
}

a#moyens:hover .hidden {
display:block;
position:absolute;
width:800px;
top:118px;
left:30px;
text-align:left;
color:#EFEFEF;
letter-spacing:0.1em;
font-weight:bold;
}

a#references {
position:absolute;
display:block;
width:175px;
height:25px;
top:195px;
left:330px;
background:url(accueil/references.gif) no-repeat 0 0;
}

a#references:hover {
display:block;
background-position:0 -25px;
text-decoration:none;
}

a#references .hidden {
display:none;
}

a#references:hover .hidden {
display:block;
position:absolute;
width:800px;
top:273px;
left:-280px;
text-align:left;
color:#EFEFEF;
letter-spacing:0.1em;
font-weight:bold;
}

a#contacts {
position:absolute;
display:block;
width:98px;
height:25px;
top:260px;
left:440px;
background:url(accueil/contacts.gif) no-repeat 0 0;
}

a#contacts:hover {
display:block;
background-position:0 -25px;
text-decoration:none;
}

a#contacts .hidden {
display:none;
}

a#contacts:hover .hidden {
display:block;
position:absolute;
width:800px;
top:208px;
left:-390px;
text-align:left;
color:#EFEFEF;
letter-spacing:0.1em;
font-weight:bold;
}

a#espacepro {
position:absolute;
display:block;
width:120px;
height:25px;
top:413px;
left:275px;
background:url(accueil/espacepro.gif) no-repeat 0 0;
}

a#espacepro:hover {
display:block;
background-position:0 -25px;
text-decoration:none;
}

a#espacepro .hidden {
display:none;
background:none;
}

a#espacepro:hover .hidden {
display:block;
position:absolute;
width:800px;
top:54px;
left:-220px;
text-align:left;
color:#EFEFEF;
letter-spacing:0.1em;
font-weight:bold;
}

#basaccueil {
position:relative;
width:720px;
height:100px;
margin:0 auto;
}

#update{
float:left;
width:400px;
text-align:left;
}

#validation{
float:left;
width:316px;
text-align:right;
}

#validation .logovalid{
border:0;
padding-left:2em;
}