body.logo {
background-color: white;
margin: 0;
padding: 0;
background-position: center;
}

#conteneur {
position: absolute;
top: 50%;
left: 50%;
width: 640px;
height: 480px;
margin-left: -320px;
margin-top: -240px;
}

.logos {
text-align: center;
border: 0px;
}