.srodek_linia {
  width:100%;
  background: white;
  background-repeat:repeat-x; 
  }

.srodek_linia2 {
	position:relative;
	margin:0 auto;
   background-image: url('../img/bgg.png');
 background-size:cover;
  background-repeat:repeat-x; 
  

    }  
  
  
 .inside {
  width:960px;
  margin: auto;
  overflow:hidden; 
  background-repeat:no-repeat; 
}