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3.6 KiB
3.6 KiB
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 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| w3css-defaults | W3CSS Defaults | Programming_Language | draft | conceptual |
|
B | 0.88 | 2026-07-04 | 2026-07-04 |
|
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W3CSS Defaults
🎯 한 줄 통찰 (One-line insight)
W3.CSS explicitly discourages using headings for their font-SIZE and provides a completely separate w3-size class family instead — the source frames this directly: "Headings should be used for what they are: Headings," meaning <h3> should signal semantic importance, not just "medium-large text," and w3-medium/w3-large/etc. exist specifically to decouple visual size from semantic heading level. [S1]
🧠 핵심 개념 (Core concepts)
- Accessibility-oriented base defaults — 15px font-size, Verdana font (good letter spacing), 1.5 line-height — explicitly designed to be readable even for people with mild reading disabilities. [S1]
- Default heading sizes — h1 36px, h2 30px, h3 24px, h4 20px, h5 18px, h6 16px. [S1]
w3-sizeclasses —w3-tiny,w3-small,w3-medium(default),w3-large,w3-xlarge,w3-xxlarge,w3-xxxlarge,w3-jumbo— size independent of heading semantics. [S1]- Three override strategies — (1) override in
<head>with custom CSS, (2) link your own CSS file AFTER the W3.CSS file, (3) download and directly edit the W3.CSS source file. [S1]
📖 세부 내용 (Details)
- Default heading CSS override:
h1{font-size:64px;} h2{font-size:48px;} ...placed in<head>. [S1] - Loading a custom CSS file after W3.CSS:
<link rel="stylesheet" href="https://www.w3schools.com/w3css/5/w3.css"> <link rel="stylesheet" href="myStyle.css">. [S1] - Changing the default font globally:
html, body, h1, h2, h3, h4, h5, h6 { font-family: cursive, sans-serif; }. [S1]
⚖️ 모순 및 업데이트 (Contradictions & updates)
- 크기 클래스와 헤딩 태그의 의도적 분리: 제목 태그는 의미(heading semantics)를 위해, w3-size 클래스는 시각적 크기를 위해 사용하도록 명확히 구분됨. [S1]
🛠️ 적용 사례 (Applied in summary)
현재 발견된 실제 적용 사례가 없습니다 — CSS 파일을 W3.CSS 뒤에 로드해 기본값을 재정의하는 것이 커스터마이징의 표준 패턴이다. [S1]
💻 코드 패턴 (Code patterns)
Font size decoupled from heading semantics via w3-size classes (HTML):
<h3 class="w3-tiny">Small text, still a heading</h3>
<p class="w3-jumbo">Huge text, not a heading at all</p>
✅ 검증 상태 및 신뢰도
- 상태: draft
- 검증 단계: conceptual
- 출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
- 신뢰 점수: 0.88
- 중복 검사 결과: 신규 생성 (New discovery)
🔗 지식 그래프 (Knowledge Graph)
- 상위/루트: W3.CSS Tutorial
- 관련 개념: W3CSS Cards, W3CSS Fonts, W3CSS Text
- 참조 맥락: Basics 섹션 마무리 — 폰트(Fonts) 챕터로 이어짐.
📚 출처 (Sources)
- [S1] W3Schools — W3.CSS Defaults — https://www.w3schools.com/w3css/w3css_defaults.asp
📝 변경 이력 (Change history)
- 2026-07-04: Initial draft synthesized from the W3Schools "W3.CSS Defaults" page (Astra wiki-curation, P-Reinforce v3.1 format).