@media only screen and (min-width: 1025px) 
{
a.logo
{
	
	margin-left:50%;
}
}

@media only screen and (min-width: 825px) 
{
a.logo
{
	
	margin-left:50%;
}
}

@media only screen and (min-width: 900px) 
{
a.logo
{
	
	margin-left:50%;
}
}