#srodek {
  float:left;
  /* --- */
	width:460px;
  padding-top:0px;
  margin-right:10px; /* to działa w ff,o */
  font-size:12px; font-weight: normal; text-decoration:none; font-family: arial;
  border:none;
}

#prawy {
	display:table-cell;
  /* --- */
  font-size:12px; font-weight: normal; text-decoration:none; font-family: arial;
  width:510px;
  padding:0px;
}

#panel_kolumna_2 {
  width:200px;
  margin:0px;
  margin-right:10px;
  float:left;
  display:table-cell;
  overflow:hidden;
  padding:0px;
}

#panel_kolumna_3 {
  width:300px;
  margin:0px;
  display:table-cell;
  overflow:hidden;
  padding:0px;
}

DIV.art, DIV.art_po {
  width:460px;
}