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>
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id: css-other-form-elements
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title: "CSS Other Form Elements"
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category: "Frontend"
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status: "draft"
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verification_status: "conceptual"
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canonical_id: ""
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aliases: ["CSS form elements", "style textarea", "style select dropdown", "style form buttons", "responsive form"]
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duplicate_of: ""
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source_trust_level: "B"
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confidence_score: 0.88
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created_at: 2026-06-23
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updated_at: 2026-06-23
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review_reason: ""
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merge_history: []
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tags: ["css", "web", "frontend", "w3schools", "forms", "textarea", "select", "buttons"]
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raw_sources: ["https://www.w3schools.com/css/css_form_elements.asp"]
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applied_in: []
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github_commit: ""
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---
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# [[CSS Other Form Elements]]
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## 🎯 한 줄 통찰 (One-line insight)
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Beyond text inputs, CSS can style textareas, dropdown `<select>` menus, and form buttons — and with a media query, a form can switch from horizontal to a vertically stacked responsive layout below 600px. [S1]
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## 🧠 핵심 개념 (Core concepts)
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- **Textarea** — by default a `<textarea>` can be resized with a "grabber" in the bottom-right corner; setting `resize: none;` removes the grabber. [S1]
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- **Dropdown menu** — `<select>` elements can be styled with padding, border removal, border-radius, and background color. [S1]
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- **Form buttons** — buttons of type "button", "submit", and "reset" can be styled with CSS. [S1]
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- **Responsive form** — CSS media queries adapt the form layout when the screen narrows. [S1]
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## 🧩 추출된 패턴 (Extracted patterns)
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- **`box-sizing: border-box`** — keep padded fields at their declared width by including padding/border in the box width. [S1]
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- **Disable native affordances** — remove the textarea resize grabber (`resize: none;`) and the `<select>` border (`border: none;`) for a custom look. [S1]
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- **Type-attribute selectors for buttons** — target `input[type=button]`, `input[type=submit]`, and `input[type=reset]` together to style all action buttons uniformly. [S1]
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## 📖 세부 내용 (Details)
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**Style Textarea**
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By default, a `<textarea>` can be resized with a "grabber" in the bottom right corner. To remove the grabber, set the `resize` property to `none`: [S1]
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```css
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textarea {
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width: 100%;
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height: 150px;
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padding: 12px 20px;
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box-sizing: border-box;
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border: 2px solid #ccc;
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border-radius: 4px;
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background-color: #f8f8f8;
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resize: none;
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}
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```
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**Style a Dropdown Menu**
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A `<select>` element can be styled as follows: [S1]
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```css
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select {
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width: 100%;
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padding: 16px 20px;
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border: none;
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border-radius: 4px;
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background-color: #f1f1f1;
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}
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```
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**Style Form Buttons**
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Form buttons of type "button", "submit" and "reset" can also be styled with CSS: [S1]
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```css
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input[type=button], input[type=submit], input[type=reset] {
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background-color: #04AA6D;
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border: none;
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color: white;
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padding: 16px 32px;
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text-decoration: none;
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margin: 4px 2px;
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cursor: pointer;
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}
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/* Tip: use width: 100% for full-width buttons */
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```
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**Note:** For more information about how to style buttons, read the CSS Buttons Tutorial. [S1]
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**CSS Responsive Form**
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The page demonstrates using CSS media queries to create responsive forms that adapt the layout when the screen width drops below 600px, stacking form labels and input fields vertically. [S1]
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## 🛠️ 적용 사례 (Applied in summary)
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The page's examples are the applied cases: a non-resizable styled textarea, a borderless rounded `<select>`, a green action-button group, and a media-query-driven responsive form. No external project/commit applications found in the source.
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## 💻 코드 패턴 (Code patterns)
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Borderless textarea without resize grabber (language: CSS):
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```css
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textarea {
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box-sizing: border-box;
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resize: none;
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}
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```
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Group all action buttons by type (language: CSS):
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```css
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input[type=button], input[type=submit], input[type=reset] {
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background-color: #04AA6D;
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border: none;
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color: white;
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cursor: pointer;
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}
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```
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## ⚖️ 모순 및 업데이트 (Contradictions & updates)
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No contradictions found in the source.
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## ✅ 검증 상태 및 신뢰도
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- **상태:** draft
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- **검증 단계:** conceptual (실제 적용 사례 발견 시 applied/validated로 승격 가능)
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- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
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- **신뢰 점수:** 0.88
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- **중복 검사 결과:** 신규 생성 (New discovery)
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## 🔗 지식 그래프 (Knowledge Graph)
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- **상위/루트:** [[CSS Tutorial]]
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- **관련 개념:** [[CSS Input Focus and Icons]], [[CSS Forms]], [[CSS Buttons]], [[CSS Media Queries]]
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- **참조 맥락:** Referenced when styling non-text form controls and making a form layout responsive.
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## 📚 출처 (Sources)
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- [S1] W3Schools — CSS Other Form Elements — https://www.w3schools.com/css/css_form_elements.asp
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## 📝 변경 이력 (Change history)
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- 2026-06-23: Initial draft synthesized from the W3Schools "CSS Other Form Elements" page (Astra wiki-curation, P-Reinforce v3.1 format).
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