Grid section headers in highlighter don't show up if the section is near the top of the page

NEW
Unassigned

Status

()

Firefox
Developer Tools: Inspector
P2
normal
7 months ago
5 months ago

People

(Reporter: bgrins, Unassigned)

Tracking

(Blocks: 1 bug)

unspecified
Points:
---

Firefox Tracking Flags

(firefox57 fix-optional)

Details

Attachments

(1 attachment)

(Reporter)

Description

7 months ago
Created attachment 8896361 [details]
no-grid-header.gif

STR (see attached screencast):
Load https://www.mozilla.org/en-US/developer/css-grid/
Open layout panel
Tick the checkbox for div.content.grid-content
Scroll that node into the top of the viewport
Hover one of the sections in the top row of the grid outline

Expected:
See a header in the page for `Row 1 / Column N`

Actual:
No header.  It does work on row 2.

Updated

5 months ago
status-firefox57: --- → fix-optional
Priority: -- → P2
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