body.site {
background-color: salmon;
padding: 0 6em;
background-position: center center
}

div {
width: 100%;
}

div.fondblanc {
background: ThreedShadow;
}

div.lien{
width: 24%;
display: inline-block;
color: aqua;
text-align: center;
text-decoration: none;
font-size: 30px;
}

div.lien:hover {
background: GrayText;
}
div.logo {
background-position: abdolute;
 left:20px;
  top:20px;
}
div.img1 {
float: left;
}
div.img2 {
clear: both;
}