Hello,

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Thank you!

Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

This is the grey line, and it just shows across the whole web page. Only when I click a certain element. Also a note: it shows up exactly at the "before the scroll" point in the webpage.

That screenshot is so small to view. Also use the editor or what your using to label the problem area just posting is good but without knowing where is hard to see and give the link to the site that your seeing this on so others can see if they get the same results.

Here is a screenshot. The bottom right popup element is the one that when clicked on triggers that horizontal grey line to show

So what is the site?

Can't include site name specifically but others are getting the same problem across all computers on firefox, yes. Screenshot with label is attached.

I believe it is probably a delimiting line...how could I hide a delimiting line?

I am also able to make that line 40px thick and turn it red. At 0px it does not show red, it is grey as shown in the screenshot. It only starts showing red when I have it at atleast 1px thick. But how can I make it not show even grey at 0px thick? My confusion is why anything is showing at all with 0px thickness...

Please send me a link via private message. Click on my name to the left of this post.

It looks like clicking on element had an event trigger that added a focus and that bubbled up to a parent container. Thank you for responses.