.imagine_stanga     {float:left;border:1px solid #cccccc;margin:10px;padding:2px;background:#f5f5f5;}
.imagine_dreapta    {float:right;border:1px solid #cccccc;margin:10px;padding:2px;background:#f5f5f5;}
.imagine_centrata   {border:1px solid #cccccc;margin:10px;padding:2px;background:#f5f5f5;display:block; margin:0 auto;}