html {background: transparent url('../images/hirek.jpg') no-repeat center center; background-size: cover; background-attachment: fixed;}
@media (min-width: 988px) {
	
}
@media  (max-width: 987px) and (min-width: 720px) {
	
}
@media  (max-width: 719px) and (min-width: 350px) {
	
}
@media  (max-width: 349px) {
	
}