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Try using shadows instead of borders on interface skeleton #42282

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What?

Replaces gray interface skeleton borders with opaque shadows, which tightens up the UI when darker background colors are used.

Why?

This PR explores using box-shadows instead of borders on the interface skeleton, to tighten up the interface on sites that have darker background colors. Currently if the background color of the site is darker than the border, you end up with a slight distortion around the edges of the interface.

By using shadows, we can maintain an edge with lighter backgrounds, but on darker backgrounds (where the edge is already defined by the background color) it's sharp - instead of distorted.

How?

Replacing borders with box shadows.

Testing Instructions

  1. Open a Post or Page.
  2. View the interface skeleton

Before

Notice the distortion around the gray borders against the colored background:

before

But there is distortion on lighter backgrounds:

CleanShot 2022-07-08 at 17 03 08@2x

Zoomed in:

CleanShot 2022-07-08 at 17 06 56@2x


After

No distortion around the edges of the interface:

after

Zoomed in:

CleanShot 2022-07-08 at 17 07 23@2x

Borders with lighter backgrounds still look as they do today:

CleanShot 2022-07-08 at 17 01 00@2x

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github-actions bot commented Jul 8, 2022

Size Change: +27 B (0%)

Total Size: 1.25 MB

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ℹ️ View Unchanged
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compressed-size-action

@talldan talldan added General Interface Parts of the UI which don't fall neatly under other labels. Needs Design Needs design efforts. CSS Styling Related to editor and front end styles, CSS-specific issues. Needs Design Feedback Needs general design feedback. and removed Needs Design Needs design efforts. labels Jul 11, 2022
@andreszs
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andreszs commented Jul 13, 2022

+10, the shadow version is noticeably easier on the eye.

Light gray borders with dark backgrounds are a common design flaw that goes largely unpunished, I'm astonished to find someone who also notices that.

@jasmussen
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jasmussen commented Aug 3, 2022

This is delightful attention to details, thank you!

I have a slight preference for what exists. The way the gray border changes hue from the list view and across the content in this example feels like noise, and makes it unclear where the content begins vs. what's user interface:

Screenshot 2022-08-03 at 09 58 12

I.e. if I had a minimal design with a powerful red 1px spot color border at the top of my website, perhaps as a loading or reading indicator or otherwise, presumably it would be covered by the faced border?

This is just personal preference, not a blocker if others are over the moon. One thing that would need addressing, though, is high contrast screen modes (notably in Windows 10/11). In those modes, all shadows are removed, which would remove the appearance of borders across the interface. One solution we've employed in the past (you can search for "high contrast mode" in the codebase for examples) is to keep a transparent border next to the shadow border, because all such borders are made fully opaque in high contrast.

@richtabor
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Closing in favor of #61835.

@richtabor richtabor closed this May 21, 2024
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4 participants