@un-gris: #cecece;
@un-vert: #afbd13;
@un-bleu: #3452ff;
@un-police: #515961;

body {
  font-family: "Source Sans Pro", sans-serif;
}

#topun {
    background-color: #3452ff;
    color: white;
    font-size: x-large;
    height: 10px;
}

#topbu {
    background-color: black;
    color: white;
    font-size: xx-large;
}

#logo-un {
    float: right;
    background-repeat: no-repeat;
    background-image : url('/pollux/img/logonu.png');
    width: 280px; height: 150px;
    background-size: 250px;
    background-position: center;
}