html, body { height: 95%; }
#holder { width: 98%; height: 100%; }
#moyenne { position: absolute; right: 50px; top: 25px;}

table { width: 100%;}
#holderP { width: 100%; height: 400px; }
#holderR { width: 100%; height: 300px; }
#etat {
  position: absolute;
  top: 4em;
  right: 1em;
  background-color: #ddd;
  border-radius: 0.5em;
    padding: 0.5em;
}