body
{
width:760px;
margin:auto;
margin-top:20px;
margin-bottom:20px;
background-color:#e0e0e0;
background-image:url("images/fond_ronds.png");
background-repeat:repeat-y;
}
#en_tete
{
width:760px;
height:225px;
background-image:url("images/matharchives.png");
background-repeat:no-repeat;
background-position:top center;
}
table
{
width:760px;
height:300px;
border:none;
margin:auto;
text-align:center;
}

.sixieme img
{
border:none;
}
.sixieme a:hover img
{
background-color:#a6c278;
}
.cinquieme img
{
border:none;
}
.cinquieme a:hover img
{
background-color:#8cadca;
}
.troisieme img
{
border:none;
}
.troisieme a:hover img
{
background-color:#c581a8;
}

.liens
{
margin-left:280px;
margin-top:200px;
}
.liens img
{
float:center;
}
.liens a img
{
border:none;
}
#pied_de_page
{
text-align:right;
margin-top:40px;
color:gray;
font-size:0.8em;
font-family:"Comic Sans MS",serif;
}
#mentions_legales
{
text-align:center;
margin-top:220px;
}
#mentions_legales a
{
font-family:"Comic Sans MS",serif;
font-size:0.8em;
text-decoration:none;
color:#7f9f51;
}
#mentions_legales a:hover
{
color:red;
}