.header_paralax
{
	background: url("img/header.jpg");
	height: 30vh;
	background-repeat: no-repeat;
	background-size: cover;
  display: flex;
  flex-direction: column;
  justify-content: center;
}	
@media (min-height: 1400px) 
	{ 
		.header_paralax
			{
				background: url("img/header_m.jpg");
				height: 30vh;
				background-repeat: no-repeat;
				background-size: cover;
			  display: flex;
			  flex-direction: column;
			  justify-content: center;
			}
	}
@media (max-width: 728px) 
	{ 
		.header_paralax
			{
				background: url("img/header_m.jpg");
				height: 30vh;
				background-repeat: no-repeat;
				background-size: cover;
			  display: flex;
			  flex-direction: column;
			  justify-content: center;
			  background-color: rgba(255, 255, 255, 1); 
			  
			}
	}
	
	
@media (max-width: 728px) 
	{ 
.checiny,	
.checiny2,
.platforma,	
.platforma2,	
.kadzielnia {
  display: none;
}
	}	
	
.checiny,	
.checiny2,
.platforma,	
.platforma2,		
.kadzielnia,
.rowery {
  position: relative;
  opacity: 1;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed; /* fixed = parallax, scroll = normal */
  border: 5px solid black;
  overflow: visible;
  z-index: 99999999999999999999999999999999999999;
}
	

.kadzielnia{
  background-image: url("img/parallax/kadzielnia.jpg");
  min-height: 600px;
}

.platforma{
  background-image: url("img/parallax/platforma.jpg");
  min-height: 600px;
}

.platforma2{
  background-image: url("img/parallax/platforma2.jpg");
  min-height: 600px;
}

.checiny{
  background-image: url("img/parallax/checiny.jpg");
  min-height: 600px;
}
.checiny2{
  background-image: url("img/parallax/checiny2.jpg");
  min-height: 600px;
}