Unfortunately you kind of have to understand a lot about the HTML and CSS to make sure the layout will be correct on a dizzing combination of actual resolutions

Unfortunately you kind of have to understand a lot about the HTML and CSS to make sure the layout will be correct on a dizzing combination of actual resolutions, fake resolutions, screen sizes, aspect ratios, "finger sizes" and viewer distances. All without a reliable way to find out most of that information. :-| However there is always the burger to the rescue. ☰ <- yum!