fix (Layout) mobile responsiveness + scrollbar styling

[sergical]

DESCRIBE YOUR PR

• Code blocks were overflowing which made content overflow making for a poor mobile experience

Before	After

• Scrollbars looked janky on mobile

Before	After

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SLA

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PRE-MERGE CHECKLIST

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• Checked Vercel preview for correctness, including links
• PR was reviewed and approved by any necessary SMEs (subject matter experts)
• PR was reviewed and approved by a member of the Sentry docs team

LEGAL BOILERPLATE

Look, I get it. The entity doing business as "Sentry" was incorporated in the State of Delaware in 2015 as Functional Software, Inc. and is gonna need some rights from me in order to utilize my contributions in this here PR. So here's the deal: I retain all rights, title and interest in and to my contributions, and by keeping this boilerplate intact I confirm that Sentry can use, modify, copy, and redistribute my contributions, under Sentry's choice of terms.

EXTRA RESOURCES

• Sentry Docs contributor guide

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Project	Deployment	Preview	Comments	Updated (UTC)
develop-docs	Ready	Preview	Comment	Nov 20, 2025 3:50pm
sentry-docs	Ready	Preview	Comment	Nov 20, 2025 3:50pm

[codecov]

Bundle Report

Changes will increase total bundle size by 162.34kB (0.69%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-server-cjs	12.97MB	160.39kB (1.25%) ⬆️
sentry-docs-client-array-push	10.17MB	1.95kB (0.02%) ⬆️

Affected Assets, Files, and Routes:

view changes for bundle: sentry-docs-client-array-push

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
static/chunks/pages/_app-*.js	-3 bytes	882.71kB	-0.0%
static/css/*.css	1.28kB	23.98kB	5.63% ⚠️
static/css/*.css	27 bytes	748.34kB	0.0%
static/chunks/8321-*.js	-3 bytes	425.87kB	-0.0%
static/chunks/app/[[...path]]/page-*.js	653 bytes	96.76kB	0.68%
static/Sl-*.js (New)	77 bytes	77 bytes	100.0% 🚀
static/Sl-*.js (New)	684 bytes	684 bytes	100.0% 🚀
static/rdDZpnbbvn6cFzi7hSlc4/_buildManifest.js (Deleted)	-684 bytes	0 bytes	-100.0% 🗑️
static/rdDZpnbbvn6cFzi7hSlc4/_ssgManifest.js (Deleted)	-77 bytes	0 bytes	-100.0% 🗑️

Files in static/chunks/app/[[...path]]/page-*.js:

• ./src/components/codeTabs.tsx → Total Size: 7.32kB

• ./src/components/codeBlock/code-blocks.module.scss → Total Size: 309 bytes

view changes for bundle: sentry-docs-server-cjs

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
1729.js	-3 bytes	1.74MB	-0.0%
../instrumentation.js	-3 bytes	1.07MB	-0.0%
9523.js	-3 bytes	1.04MB	-0.0%
../app/[[...path]]/page.js.nft.json	53.17kB	885.66kB	6.39% ⚠️
../app/platform-redirect/page.js.nft.json	53.17kB	885.58kB	6.39% ⚠️
../app/sitemap.xml/route.js.nft.json	53.17kB	882.81kB	6.41% ⚠️
../app/[[...path]]/page.js	562 bytes	620.66kB	0.09%
4236.js	332 bytes	100.57kB	0.33%

Files in ../app/[[...path]]/page.js:

• ./src/components/codeTabs.tsx → Total Size: 6.28kB

• ./src/components/codeBlock/code-blocks.module.scss → Total Size: 300 bytes

• ./src/components/codeTabs.tsx → Total Size: 444 bytes

Files in 4236.js:

• ./src/components/docPage/type.scss → Total Size: 1 bytes

• ./src/components/docPage/index.tsx → Total Size: 11.69kB

App Routes Affected:

App Route	Size Change	Total Size	Change (%)
/[[...path]]	562 bytes	3.37MB	0.02%

[coolguyzone]

CSS/SASS looks good, spot checked several SDKs/pages on mobiles and the changes look good.