.leerzeile{
z-index:16;
position:relative;
float:left;
width: 930px;
height: 700px;
background: rgba(255, 255, 255, 0.0); 
margin:0px 0px 10px 0px;
}
@media only screen and (max-width: 1600px) 
{
	.leerzeile 
	{
		width: 930px;		
	}
}
@media only screen and (max-width: 1280px) 
{
	.leerzeile 
	{
		width: 930px;			
	}
}
@media only screen and (max-width: 1000px) 
{
	.leerzeile 
	{
		width: 620px;		
	}
}
@media only screen and (max-width: 1000px) and (orientation : landscape)
{
	.leerzeile 
	{
		width: 520px;		
	}
}
@media only screen and (max-width: 480px)
{
	.leerzeile 
	{
		width: 280px;		
	}
}


@media only screen and (max-height: 1100px) 
{
	.leerzeile 
	{
		height: 550px;		
	}
}
@media only screen and (max-height: 850px) 
{
	.leerzeile 
	{
		height: 400px;			
	}
}
@media only screen and (max-height: 700px) 
{
	.leerzeile 
	{
		height: 300px;		
	}
}
@media only screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation : landscape) 
{
	.leerzeile 
	{
		height: 300px;		
	}
}
@media only screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation : portrait)
{
	.leerzeile 
	{
		height: 500px;		
	}
}
@media only screen and (max-device-width: 480px) and (orientation : landscape)
{
	.leerzeile 
	{
		height: 200px;		
	}
}