#B{ background: none; padding-top: 0; }    
    #B .flashHome{
      width: 738px; height: 370px;
      margin-bottom: 20px;
    }

    #B .espaco_a_definir1{
      width: 738px; height: 70px;
      background-image: url(../images/fundo_espaco_a_definir1.png);
    }