@media (min-width: 1200px) {
	
}

@media only screen and (max-width : 1200px) {

}

@media only screen and (max-width : 979px) {
	
}

@media only screen and (max-width : 767px) {
	.page_header{
		margin-left: -20px;
		margin-right: -20px;
	}
	
}

@media only screen and (max-width : 500px) {
	.page_header{
		margin-left: -20px;
		margin-right: -20px;
	}
}