in firefox on windows, it looks like the top banner is covering up the scrollbar buttons. https://imgur.com/a/OZQ0eWP https://imgur.com/a/OZQ0eWP seems like t

in firefox on windows, it looks like the top banner is covering up the scrollbar buttons. https://imgur.com/a/OZQ0eWP https://imgur.com/a/OZQ0eWP seems like they set the content div to 100vh/100vw with fixed positioning and floated the header on top. hard to imagine why they would do this, it can cause a lot of things (like scrolling) to break subtly.