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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
html-styles HTML Styles Frontend draft conceptual
style attribute
inline style
background-color
color
font-family
font-size
text-align
B 0.90 2026-06-23 2026-06-23
html
web
frontend
w3schools
styles
css
https://www.w3schools.com/html/html_styles.asp

HTML Styles

🎯 한 줄 통찰 (One-line insight)

The HTML style attribute adds inline styling to an element using the syntax style="property:value;", controlling color, font, size, and alignment. [S1]

🧠 핵심 개념 (Core concepts)

  • style attribute — used to add styles to an element such as color, font, and size. [S1]
  • Syntax<tagname style="property:value;">, where the property is a CSS property and the value is a CSS value. [S1]
  • background-color — sets the background color of an element (or the whole page when set on <body>). [S1]
  • color — sets the text color. [S1]
  • font-family — sets the font of the text. [S1]
  • font-size — sets the size of the text. [S1]
  • text-align — sets the horizontal alignment of the text. [S1]

🧩 추출된 패턴 (Extracted patterns)

  • property:value; pairs — each declaration is a CSS property/value pair ending with a semicolon. [S1]
  • Page-wide vs. per-element — styling <body> affects the whole page; styling an individual element affects only it. [S1]
  • Relative sizingfont-size can use percentages (e.g. 300%, 160%). [S1]

📖 세부 내용 (Details)

The HTML Style Attribute Setting the style of an HTML element can be done with the style attribute. The HTML style attribute has the following syntax: [S1]

<tagname style="property:value;">

The property is a CSS property, and the value is a CSS value. [S1]

Background Color The CSS background-color property defines the background color for an HTML element. Set the background color for the whole page: [S1]

<body style="background-color:powderblue;">

<h1>This is a heading</h1>
<p>This is a paragraph.</p>

</body>

Set background color for two different elements: [S1]

<body>

<h1 style="background-color:powderblue;">This is a heading</h1>
<p style="background-color:tomato;">This is a paragraph.</p>

</body>

Text Color The CSS color property defines the text color for an HTML element: [S1]

<h1 style="color:blue;">This is a heading</h1>
<p style="color:red;">This is a paragraph.</p>

Fonts The CSS font-family property defines the font to be used for an HTML element: [S1]

<h1 style="font-family:verdana;">This is a heading</h1>
<p style="font-family:courier;">This is a paragraph.</p>

Text Size The CSS font-size property defines the text size for an HTML element: [S1]

<h1 style="font-size:300%;">This is a heading</h1>
<p style="font-size:160%;">This is a paragraph.</p>

Text Alignment The CSS text-align property defines the horizontal text alignment for an HTML element: [S1]

<h1 style="text-align:center;">Centered Heading</h1>
<p style="text-align:center;">Centered paragraph.</p>

Chapter Summary

  • Use the style attribute for styling HTML elements. [S1]
  • Use background-color for background color. [S1]
  • Use color for text colors. [S1]
  • Use font-family for text fonts. [S1]
  • Use font-size for text sizes. [S1]
  • Use text-align for text alignment. [S1]

🛠️ 적용 사례 (Applied in summary)

The examples above demonstrate inline styling applied directly to <body>, <h1>, and <p> elements — the simplest way to color, size, and align content without a separate stylesheet. No external project/commit applications found in the source.

💻 코드 패턴 (Code patterns)

Style attribute syntax (HTML):

<tagname style="property:value;">

Color, font, size, and alignment on a paragraph:

<p style="color:red; font-family:courier; font-size:160%; text-align:center;">Styled paragraph.</p>

Page-wide background color:

<body style="background-color:powderblue;">

⚖️ 모순 및 업데이트 (Contradictions & updates)

No contradictions found in the source. (The page teaches inline style as the introductory styling mechanism; CSS stylesheets are covered separately.) [S1]

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: 0.90
  • 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

📚 출처 (Sources)

📝 변경 이력 (Change history)

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