Very simple smooth scrolling to another anchor on the page. Taking into account the header height.

smooth-scroll

$('.scroll-to').on('click', function(){
  
	var anchor = $(this).attr('href');
	var height = $('.header').height(); // If the header is fixed

	$('html, body').animate({
	    scrollTop: $(anchor).offset().top - height
	}, 400);
	
	return false;
});