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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
w3css-navigation W3CSS Navigation Programming_Language draft conceptual
navigation bars
w3-top
w3-bottom
W3.CSS 네비게이션 바
B 0.87 2026-07-04 2026-07-04
w3css
css-framework
w3schools
navbar
https://www.w3schools.com/w3css/w3css_navigation.asp

W3CSS Navigation

🎯 한 줄 통찰 (One-line insight)

Padding on the navbar CONTAINER versus padding on each INDIVIDUAL link produces visually similar layouts but behaviorally different hover feedback — the source explicitly warns that container-level padding means links "do not get full padding on hover," revealing that hover-affordance area is determined by which element actually owns the padding, not just how the bar looks at rest. [S1]

🧠 핵심 개념 (Core concepts)

  • w3-bar fundamentals reused — this chapter is w3-bar/w3-bar-item/w3-bar-block applied specifically to navigation, plus w3-sidebar as a preview of the next chapter. [S1]
  • w3-hover-none + w3-hover-text-* — disables the default grey hover background and switches to a text-color-only hover effect instead. [S1]
  • Padding placement matters for hoverw3-padding-16 on each link gives full-padding hover feedback; the same padding on the parent bar does not. [S1]
  • w3-top / w3-bottom — wrapping a bar in a div with this class fixes it to the viewport top/bottom, persisting through scroll. [S1]
  • Collapsing pattern — replacing a full navbar with a single hamburger button (☰) on small screens via hide/show classes, previewing the Sidebar chapter's collapsible pattern. [S1]
  • Icon integration — Font Awesome fa fa-* classes drop directly into bar items (cross-referenced to the Icons chapter). [S1]

📖 세부 내용 (Details)

  • Custom-width, mobile-responsive links: <a href="#" class="w3-bar-item w3-button w3-mobile w3-green" style="width:33%">Home</a> — combined with w3-mobile to become 100% width on small screens. [S1]
  • Fixed-to-viewport bar: <div class="w3-top"><div class="w3-bar">...</div></div>. [S1]
  • Text-only hover effect: <a class="w3-bar-item w3-button w3-hover-none w3-text-grey w3-hover-text-white">Link 1</a>. [S1]
  • Navbar with input + button combo: <input type="text" class="w3-bar-item w3-input" placeholder="Search.."><a href="#" class="w3-bar-item w3-button w3-green">Go</a>. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

  • 바 전체 vs 개별 링크 패딩의 호버 차이: 바 컨테이너에 패딩을 주면 개별 링크가 호버 시 전체 패딩 영역을 갖지 못한다는 점이 원문에서 명시적으로 경고됨. [S1]

🛠️ 적용 사례 (Applied in summary)

현재 발견된 실제 적용 사례가 없습니다 — w3-top으로 상단 고정 네비게이션 바를 만들고 작은 화면에서 햄버거 버튼으로 축소하는 조합이 실전 반응형 웹사이트 헤더의 대표 패턴이다. [S1]

💻 코드 패턴 (Code patterns)

Fixing a navigation bar to the top of the viewport (HTML/CSS):

<div class="w3-top">
  <div class="w3-bar w3-black">
    <a href="#" class="w3-bar-item w3-button">Home</a>
    <a href="#" class="w3-bar-item w3-button">Link 1</a>
  </div>
</div>

검증 상태 및 신뢰도

  • 상태: draft
  • 검증 단계: conceptual
  • 출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
  • 신뢰 점수: 0.87
  • 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

📚 출처 (Sources)

📝 변경 이력 (Change history)

  • 2026-07-04: Initial draft synthesized from the W3Schools "W3.CSS Navigation Bars" page (Astra wiki-curation, P-Reinforce v3.1 format).