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Antigravity Agent e9cbf23ab5 docs(10_Wiki): Dev 폴더 누락분 반영 — Topic_Programming으로 통합

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  JavaScript/PHP/Python/SQL/W3CSS, 1201개)는 전부 Topic_Programming 하위로 이동.
- 에이전트 운영 상태(.astra/docs)는 그대로 유지, 콘텐츠 폴더만 정리.
- Topic_Programming 최종 문서 수: 2784 → 3985.

2026-07-05 00:39:13 +09:00

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title

CSS Syntax

🎯 한 줄 통찰 (One-line insight)

A CSS rule is made of a selector that points to the HTML element to style and a declaration block containing one or more property: value; declarations, separated by semicolons and surrounded by curly braces. [S1]

🧠 핵심 개념 (Core concepts)

A CSS rule has two parts — a selector and a declaration block. [S1]
Selector — points to the HTML element you want to style. [S1]
Declaration block — contains one or more declarations separated by semicolons. [S1]
Declaration — includes a CSS property name and a value, separated by a colon. [S1]
Punctuation — multiple CSS declarations are separated with semicolons, and declaration blocks are surrounded by curly braces. [S1]

🧩 추출된 패턴 (Extracted patterns)

Rule pattern — selector { property: value; property: value; }. [S1]
Declaration pattern — each declaration pairs a property and a value with a colon: property: value;. [S1]

📖 세부 내용 (Details)

A CSS rule consists of a selector and a declaration block. [S1]

The selector points to the HTML element you want to style. The declaration block contains one or more declarations separated by semicolons. Each declaration includes a CSS property name and a value, separated by a colon. Multiple CSS declarations are separated with semicolons, and declaration blocks are surrounded by curly braces. [S1]

Example [S1]

p {
  color: red;
  text-align: center;
}

In this example: [S1]

p is the selector (it targets HTML <p> paragraph elements).
color is a property, and red is its value.
text-align is a property, and center is its value.

The rule above makes all paragraph text red and center-aligned. [S1]

🛠️ 적용 사례 (Applied in summary)

The p rule above is the page's own applied example: a complete rule styling paragraph elements with color and text-align. No external project/commit applications found in the source.

💻 코드 패턴 (Code patterns)

Basic CSS rule structure (language: CSS):

selector {
  property: value;
  property: value;
}

Concrete example:

p {
  color: red;
  text-align: center;
}

⚖️ 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: 0.9
중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

상위/루트: CSS Tutorial
관련 개념: CSS Introduction, CSS Selectors, CSS Add Internal
참조 맥락: The grammar underlying every CSS rule; referenced whenever writing or reading any selector and declaration.

📚 출처 (Sources)

[S1] W3Schools — CSS Syntax — https://www.w3schools.com/css/css_syntax.asp

📝 변경 이력 (Change history)

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

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