docs(10_Wiki): W3Schools 위키화 — HTML/CSS/JavaScript(core)

W3Schools 튜토리얼을 P-Reinforce v3.1 포맷으로 위키화(영어 본문, 한/영 섹션 헤더). - Topic_HTML: 59문서 (튜토리얼+예제, 레퍼런스/메타 제외) - Topic_CSS: 190문서 (메인 + Advanced/Flexbox/Grid/RWD 전체) - Topic_JavaScript: 120문서 (코어 언어; Temporal/DOM상세/BOM/WebAPI/AJAX/jQuery/Graphics 등은 후속) 각 폴더 00_INDEX.md(MOC) 포함. 코드 verbatim, 미확인분은 "Not found in source" 표기. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-23 19:21:18 +09:00
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+---
+id: css-table-style
+title: "CSS Table Style"
+category: "Frontend"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["table padding", "zebra-striped table", "hoverable table", "table borders", "nth-child table"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.89
+created_at: 2026-06-23
+updated_at: 2026-06-23
+review_reason: ""
+merge_history: []
+tags: ["css", "web", "frontend", "w3schools", "table", "styling", "nth-child", "hover"]
+raw_sources: ["https://www.w3schools.com/css/css_table_style.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[CSS Table Styling]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+Tables become readable and attractive by adding cell padding, horizontal dividers, hover highlighting, zebra striping, and header colors. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **Padding adds breathing room** — to add more space between the inner borders and the content in a table, use the `padding` property on `<td>` and `<th>` elements. [S1]
+- **Horizontal dividers** — to create horizontal dividers for a table, add the `border-bottom` property to `<th>` and `<td>` elements. [S1]
+- **Hover highlighting** — use the CSS `:hover` selector on `<tr>` to highlight table rows on mouse over. [S1]
+- **Zebra striping** — for zebra-striped tables, use the `nth-child()` selector and add a `background-color` to all even (or odd) table rows. [S1]
+- **Header coloring** — specify a `background-color` and a text `color` for the `<th>` elements. [S1]
+
+## 🧩 추출된 패턴 (Extracted patterns)
+- **Group selector for cells** — style `th, td` together to apply padding/borders uniformly across header and data cells. [S1]
+- **Row-level pseudo-classes** — `tr:hover` and `tr:nth-child(even)` target whole rows for interactivity and striping. [S1]
+
+## 📖 세부 내용 (Details)
+**CSS Table Padding**
+To add some more space between the inner borders and the content in a table, use the `padding` property on `<td>` and `<th>` elements: [S1]
+```css
+th, td {
+  padding: 10px;
+  text-align: left;
+}
+```
+
+**CSS Horizontal Dividers**
+To create horizontal dividers for a table, add the `border-bottom` property to `<th>` and `<td>` elements: [S1]
+```css
+th, td {
+  border-bottom: 1px solid #ddd;
+}
+```
+
+**CSS Hoverable Table**
+Use the CSS `:hover` selector on `<tr>` to highlight table rows on mouse over: [S1]
+```css
+tr:hover {background-color: coral;}
+```
+
+**CSS Zebra-striped Table**
+For zebra-striped tables, use the `nth-child()` selector and add a `background-color` to all even (or odd) table rows: [S1]
+```css
+tr:nth-child(even) {background-color: #f2f2f2;}
+```
+
+**CSS Table Color**
+The example below specifies a background color and a text color for the `<th>` elements: [S1]
+```css
+th {
+  background-color: #04AA6D;
+  color: white;
+}
+```
+
+## 🛠️ 적용 사례 (Applied in summary)
+The page's own examples are the applied cases: 10px cell padding, 1px horizontal dividers, coral hover rows, `#f2f2f2` zebra striping on even rows, and a green (`#04AA6D`) header with white text. No external project/commit applications found in the source.
+
+## 💻 코드 패턴 (Code patterns)
+Zebra striping (language: CSS):
+```css
+tr:nth-child(even) {background-color: #f2f2f2;}
+```
+Hover highlight (language: CSS):
+```css
+tr:hover {background-color: coral;}
+```
+
+## ⚖️ 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:** 0.89
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[CSS Tutorial]]
+- **관련 개념:** [[CSS Table Size]], [[CSS Table Alignment]], [[CSS Table Responsive]]
+- **참조 맥락:** Referenced whenever visually styling an HTML table beyond plain borders.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — CSS Table Style — https://www.w3schools.com/css/css_table_style.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-06-23: Initial draft synthesized from the W3Schools "CSS Table Style" page (Astra wiki-curation, P-Reinforce v3.1 format).