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💄 style(ui): fix scrollbar style declarations to apply -webkit-scrollbar pseud classes to Safari #3971

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Merged
MH4GF merged 2 commits into from
Nov 4, 2025
Merged

💄 style(ui): fix scrollbar style declarations to apply -webkit-scrollbar pseud classes to Safari #3971

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💄 fix scrollbar style declarations to apply -webkit-scrollbar pseud c…
tnyo43 Nov 2, 2025
59f2b79
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tnyo43 Nov 2, 2025
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5 changes: 5 additions & 0 deletions .changeset/sweet-chicken-stay.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@liam-hq/ui": patch
---

- 💄 fix scrollbar styles so that ::-webkit-scrollbar pseudo classes take effect in Safari
43 changes: 25 additions & 18 deletions frontend/packages/ui/src/styles/globals.css
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Original file line number Diff line number Diff line change
Expand Up @@ -7,27 +7,34 @@
@import './syntax-highlight.css';

/* Global scrollbar styling for all scrollable elements */
* {
scrollbar-color: var(--scrollbar-thumb-background)
var(--scrollbar-track-background);
scrollbar-width: var(--scrollbar-width);
}

/* WebKit scrollbar styling */
*::-webkit-scrollbar {
width: var(--scrollbar-webkit-width);
height: var(--scrollbar-webkit-height);
/* For browsers that support `scrollbar-*` properties */
@supports (scrollbar-color: auto) {
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@tnyo43 tnyo43 Nov 2, 2025

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I recommend to check the diff with by hiding white spaces

I basically follow this instruction.
Since the latest Safari (v26) supports scrollbar-width property, it prioritize the standard scrollbar styles when scrollbar-width has value other than auto and doesn't refer to -webkit-scrollbar-* pseuds classes. However, it doesn't support the scrollbar-color property yet, so scrollbars used to be displayed with the default color in Safari.

This PR will make the scrollbar-width property declaration be not applied in the Safari, so webkit-scrollbar-* pseud classes will be applied properly.

* {
scrollbar-color: var(--scrollbar-thumb-background)
var(--scrollbar-track-background);
scrollbar-width: var(--scrollbar-width);
}
}

*::-webkit-scrollbar-track {
background: var(--scrollbar-track-background);
}
/* Otherwise, use `::-webkit-scrollbar-*` pseudo-elements */
/* If a browser supports both, the `scrollbar-*` properties will take precedence */
@supports selector(::-webkit-scrollbar) {
*::-webkit-scrollbar {
width: var(--scrollbar-webkit-width);
height: var(--scrollbar-webkit-height);
}

*::-webkit-scrollbar-thumb {
background-color: var(--scrollbar-thumb-background);
border-radius: var(--scrollbar-webkit-thumb-border-radius);
}
*::-webkit-scrollbar-track {
background: var(--scrollbar-track-background);
}

*::-webkit-scrollbar-thumb {
background-color: var(--scrollbar-thumb-background);
border-radius: var(--scrollbar-webkit-thumb-border-radius);
}

*::-webkit-scrollbar-thumb:hover {
background-color: var(--scrollbar-thumb-background-hover);
*::-webkit-scrollbar-thumb:hover {
background-color: var(--scrollbar-thumb-background-hover);
}
}