INFORMS 2020 Styler

main.css

.header {
  max-height: 0px;
  visibility: hidden;
}

.fixed-title {
	position: fixed;
	display: block;
	top: 50px;
	max-width: 720px;
}

.fixed-video {
	position: fixed;
	display: block;
	top: 310px;
	width: 720px;
}

main.js

$(window).scroll(function(e) {
	if (window.scrollY > 210) {
		debugger;
		$(".playlist-page-layout > div:first-child").addClass("fixed-title");
		$(".playlist-page-layout:first > .content:first").addClass("fixed-video");
	}
	else {
		$(".playlist-page-layout div:first-child").removeClass("fixed-title");
		$(".playlist-page-layout:first > .content:first").removeClass("fixed-video");
	}
});

Here is a simple Styler Beta extension (for Chrome) script that will give you some extra space and help you organize items.