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Nested Container Frames Skill — measured AI agent skill | DecimalAI

mengto/nested-container-frames

NewSkillScoreMaintained

Create a container-in-container layout system using nested frames. Use an outer centered container with visible vertical boundary lines and corner markers. Inside, place inner containers inset from the edges, each with its own background and rounded frame. Technique: outer container defines global bounds, inner containers use padding to create inset spacing, layered frames (border + background) to separate levels, and consistent spacing between outer frame and inner blocks.

by mengto

Links this skill to your agents and keeps it current with the author’s updates.

Automatic

Frontend / UI pack

decimalai skills pull mengto-nested-container-frames

Get this skill — curl · raw file

curl -fsSL https://app.decimal.ai/s/mengto-nested-container-frames/SKILL.md

Raw file: /s/mengto-nested-container-frames/SKILL.md ↗ · machine-readable summary at /s/mengto-nested-container-frames.json ↗

In productionGlobal

how this skill behaves on real traffic · last 30 days

No production data for this skill yet — usage numbers appear here once agents start running it.

Anonymized aggregate across every org using this skill — proof from real production use, not a demo.

Does this skill help? · Benchmark: with vs. withoutsign in to run this on your agents

23 test cases from the publisher’s eval.yaml · each run twice on gemini-3.6-flash — with the skill injected, then without · last run 3h ago

Yes — +30% lift+10% tokens0% turns91% of whole cases pass with skill (21/23)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-02	✗→✓	▲ Improved	-11%	0%
case-01	✗→✓	▲ Improved	17%	0%
case-04	✗→✓	▲ Improved	21%	0%
case-05	✗→✓	▲ Improved	-13%	0%
case-13	✗→✓	▲ Improved	86%	0%

Showing 5 of 23 cases

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

mengto / skills

agent-skills/web-design/nested-container-frames/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

Skill contents

SKILL.md

Nested Container Frames Skill

Use When

A layout needs a container-in-container system with visible outer bounds, inset inner frames, and layered page structure.

Workflow

Define an outer centered container that controls the global page width.
Add visible vertical boundary lines and small corner markers to establish the frame.
Place inner containers inset from the outer edges using consistent padding.
Give each inner level its own background, border, radius, and spacing rhythm.
Use the frame hierarchy to separate hero, feature, proof, and CTA modules without adding heavy cards.

Guardrails

Do not nest cards inside cards until the layout feels boxed in.
Do not let frame lines overpower content readability.

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Other measured skills in the registry, with their headline benchmark lift.