@media only screen and (max-width: 999px) {
  	.desktop_header{
		display: none;
	}
	.desktop_body{
		display: none;
	}
	.desktop_footer{
		display: none;
	}
}
@media only screen and (min-width: 1000px) {
	.mobile_header{
		display: none;
	}
	.mobile_body{
		display: none;
	}
	.mobile_footer{
		display: none;
	}
}