This is filed as bug 1061823 <https://bugzilla.mozilla.org/show_bug.cgi?id=1061823>. As a workaround until that bug is fixed, you can add width and height properties to the inspected element and press (Shift) Up/Down on your keyboard to get the same effect.
Sebastian On Tuesday, January 31, 2017 at 6:02:35 PM UTC+1, Сергей Белоглазов wrote: > > In new interface I can change margins of the block, but width/height is > disabled for changing. > It was one of the most useful things in firebug. It can be changed in > build-in firefox debugger. > For example, it can be changed in Chrome build-in debugger. > -- You received this message because you are subscribed to the Google Groups "Firebug" group. To unsubscribe from this group and stop receiving emails from it, send an email to firebug+unsubscr...@googlegroups.com. To post to this group, send email to firebug@googlegroups.com. Visit this group at https://groups.google.com/group/firebug. To view this discussion on the web visit https://groups.google.com/d/msgid/firebug/892ae345-fedf-4ece-b927-e727c3801f18%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.