http://www.pagelinestheme.com/disable-dms-regions-per-page/

style.less

// From http://www.pagelinestheme.com/disable-dms-regions-per-page/

//body[class*=" template-landing-"]:not(.logged-in) { //do not hide for logged in users
body[class*=" template-landing-"] { //e.g. template-landing-snowremoval
	#fixed-top,
	.fixed-top-pusher,
	header,
	footer {
		//display:none; // no longer needed now that it is done via functions.php
	}
	#page section.section-pl_area:last-child { //remove bottom white space from body after last canvas area within template area
		margin-bottom: -25px;
	}
}