div.gallery-contanier {
 width:100%;
  max-width:1124px;
 margin:0 auto;
 text-align:center
}

div.gal-poz {width:100%; max-width:350px; float:left; height:300px; margin:10px; background-position:center; background-repeat: no-repeat; background-size: cover }
p.gal-tytul { background-color:rgba(255,255,255,0.5); font-size: 30px; margin-top:230px}