I'm a Systems Reliability and DevOps engineer for Netdata Inc. When not working, I enjoy studying linguistics and history, playing video games, and cooking all kinds of international cuisine.
I'm actually not sure. I suspect that higher z-index values will be earlier in the tab order, but only if they're explicitly called out (because tab order, unless overridden, normally follows markup order). Regardless, it's not something I would think you should rely on if it does, because then seemingly innocent changes to the CSS could drastically change the page from the perspective of someone using the keyboard to navigate.
I'm actually not sure. I suspect that higher
z-indexvalues will be earlier in the tab order, but only if they're explicitly called out (because tab order, unless overridden, normally follows markup order). Regardless, it's not something I would think you should rely on if it does, because then seemingly innocent changes to the CSS could drastically change the page from the perspective of someone using the keyboard to navigate.Preach! Educating myself on how to make the markup more accessible is going to be one of those ongoing goals of mine :)