JSFiddle - React, Tailwind, and code Playground

HTML

<div style="height: 1000px">
<div class="site-header">
Hej
</div>
<div class="entry-header h1">
Hej
</div>
</div>

CSS

.nav-down {
  position: fixed;
  width: 100%;
  display: block;
}
.nav-up {
  top: -176px;
}
.filter-down {
  position: fixed;
  margin-left: auto;
  margin-right: auto;
  width: 72%;
  z-index: 1000;
}
.filter-up {
  width: 100%;
}
.site-header {
  height: 176px;
  background-color: #CCC;
  z-index: 10;
}
.entry-header {
  height: 200px;
  width: 100%;
  z-index: 1;
  background-color: #222;
}
body {
  background-color: #555;
}

JavaScript

// Hide Header on on scroll down
var didScroll;
var lastScrollTop = 0;
var delta = 5;
var navbarHeight = $('.site-header').outerHeight();
var filterHeight = $('.entry-header').outerHeight();

$(window).scroll(function(event){
    didScroll = true;
});

setInterval(function() {
    if (didScroll) {
        hasScrolled();
        didScroll = false;
    }
}, 250);

function hasScrolled() {
    var st = $(this).scrollTop();

    // Make sure they scroll more than delta
    if(Math.abs(lastScrollTop - st) <= delta)
        return;

    // If they scrolled down and are past the navbar, add class .nav-up.
    // This is necessary so you never see what is "behind" the navbar.
    if (st > lastScrollTop && st > navbarHeight){
        // Scroll Down
        $('.site-header').removeClass('nav-down').addClass('nav-up');
    } else {
        // Scroll Up
        if(st + $(window).height() < $(document).height()) {
            $('.site-header').removeClass('nav-up').addClass('nav-down');
        }
    }
    if (st > lastScrollTop && st > filterHeight){
        // Scroll Down
        $('.entry-header').removeClass('filter-down').addClass('filter-up');
    } else {
        // Scroll Up
        if(st + $(window).height() < $(document).height()) {
            $('.entry-header').removeClass('filter-up').addClass('filter-down');
        }
    }
    lastScrollTop = st;
}