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id, title, category, status, verification_status, canonical_id, aliases, duplicate_of, source_trust_level, confidence_score, created_at, updated_at, review_reason, merge_history, tags, raw_sources, applied_in, github_commit
id title category status verification_status canonical_id aliases duplicate_of source_trust_level confidence_score created_at updated_at review_reason merge_history tags raw_sources applied_in github_commit
css-outline-width CSS Outline Width Frontend draft conceptual
outline-width
CSS outline width
thin medium thick outline
outline size
outline thickness
B 0.88 2026-06-23 2026-06-23
css
web
frontend
w3schools
outline
outline-width
https://www.w3schools.com/css/css_outline_width.asp

CSS Outline Width

🎯 한 줄 통찰 (One-line insight)

The outline-width property specifies the width of an outline, set either as a keyword (thin, medium, thick) or as a specific size. [S1]

🧠 핵심 개념 (Core concepts)

  • Purpose — the outline-width property specifies the width (thickness) of an outline. [S1]
  • Keyword valuesthin (typically 1px), medium (typically 3px), and thick (typically 5px). [S1]
  • Explicit size — a specific size in px, pt, cm, em, etc. [S1]

🧩 추출된 패턴 (Extracted patterns)

  • Keyword vs. explicit — use thin/medium/thick for quick relative sizing, or a length unit when an exact thickness is required. [S1]
  • Requires a styleoutline-width is only visible alongside a set outline-style (e.g., solid). [S1]

📖 세부 내용 (Details)

Accepted values The outline-width property specifies the outline's dimensions with these accepted values: [S1]

  • thin (typically 1px)
  • medium (typically 3px)
  • thick (typically 5px)
  • a specific size in px, pt, cm, em, etc.

Demo example — demonstration of different outline widths, each class applying a different outline-width value to paragraphs styled with solid green outlines and 5px padding: [S1]

p {
  padding: 5px;
  outline-style: solid;
  outline-color: green;
}

p.ex1 {
  outline-width: thin;
}

p.ex2 {
  outline-width: medium;
}

p.ex3 {
  outline-width: thick;
}

p.ex4 {
  outline-width: 8px;
}

🛠️ 적용 사례 (Applied in summary)

The four-class demo above is the page's own applied example, showing thin, medium, thick, and an explicit 8px outline. No external project/commit applications found in the source.

💻 코드 패턴 (Code patterns)

Set outline width by keyword or length (language: CSS):

p.ex2 {
  outline-style: solid;
  outline-width: medium;
}

p.ex4 {
  outline-style: solid;
  outline-width: 8px;
}

⚖️ 모순 및 업데이트 (Contradictions & updates)

No contradictions found in the source.

검증 상태 및 신뢰도

  • 상태: draft
  • 검증 단계: conceptual (실제 적용 사례 발견 시 applied/validated로 승격 가능)
  • 출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
  • 신뢰 점수: 0.88
  • 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

📚 출처 (Sources)

📝 변경 이력 (Change history)

  • 2026-06-23: Initial draft synthesized from the W3Schools "CSS Outline Width" page (Astra wiki-curation, P-Reinforce v3.1 format).