Firefox dev tools have some useful stuff for identifying such things in flex and grid, handy for flexbox and extremely useful in grid. In the DOM tree in the In

Firefox dev tools have some useful stuff for identifying such things in flex and grid, handy for flexbox and extremely useful in grid. In the DOM tree in the Inspector tab, you click on the “flex” or “grid” label and it enables it, or enable it in the Layout subtab on an element. I think Chromium has decent tooling along these lines now too.