2nd/10_Wiki/Topic_CSS/CSS_Position_Offsets.md

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-position-offsets	CSS Position Offsets	Frontend	draft	conceptual		position offsets top right bottom left CSS offsets positioned element offsets edge properties offset properties		B	0.87	2026-06-23	2026-06-23			css web frontend w3schools position layout	https://www.w3schools.com/css/css_position_offset.asp

CSS Position Offsets

🎯 한 줄 통찰 (One-line insight)

The top, right, bottom, and left properties position elements — but they only take effect on positioned elements (those with position set to relative, absolute, fixed, or sticky). [S1]

🧠 핵심 개념 (Core concepts)

• offset properties — top, right, bottom, and left are used to position elements. [S1]
• only on positioned elements — these properties only work on positioned elements, i.e. elements with position set to relative, absolute, fixed, or sticky. [S1]
• margin-edge semantics — each offset sets the corresponding margin edge for a positioned box (top/right/bottom/left margin edge). [S1]

🧩 추출된 패턴 (Extracted patterns)

• Positioned + offset — set a position value other than static first, then use offset properties to move the element; offsets are ignored on static elements. [S1]
• Corner/center placement — use combinations of offsets on an absolutely positioned element to place text at an image's corners or center. [S1]

📖 세부 내용 (Details)

Positioning with top, right, bottom, and left [S1] The top, right, bottom, and left properties are used to position elements. These properties only work on positioned elements (elements with position set to relative, absolute, fixed, or sticky).

Positioning Text On an Image [S1] This section demonstrates practical application with an example showing text positioned at various corners and center of an image. The page provides five interactive "Try it Yourself" examples: Top Left, Top Right, Bottom Left, Bottom Right, and Centered. The exact verbatim CSS for each variant was not provided in the fetched source — Not found in source.

CSS Positioning Properties Reference Table [S1]

Property	Description
bottom	Sets the bottom margin edge for a positioned box
clip	Clips an absolutely positioned element
left	Sets the left margin edge for a positioned box
position	Specifies the type of positioning for an element
right	Sets the right margin edge for a positioned box
top	Sets the top margin edge for a positioned box

🛠️ 적용 사례 (Applied in summary)

The page's applied example is positioning text at the corners and center of an image using offset properties on positioned elements. No external project/commit applications found in the source.

💻 코드 패턴 (Code patterns)

General shape — offsets only apply once an element is positioned (language: CSS):

selector {
  position: absolute; /* or relative, fixed, sticky */
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

Note: this skeleton illustrates the rule that offsets require a non-static position; the page did not provide verbatim per-corner example code — Not found in source. [S1]

⚖️ 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: 0.87
• 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

• 상위/루트: CSS Tutorial
• 관련 개념: CSS Position Fixed and Absolute, CSS Position Sticky, CSS Z-index
• 참조 맥락: Referenced whenever a positioned element must be moved using top/right/bottom/left offsets.

📚 출처 (Sources)

• [S1] W3Schools — CSS Position Offsets — https://www.w3schools.com/css/css_position_offset.asp

📝 변경 이력 (Change history)

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