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title

HOWTO CSS Notification Button

🎯 한 줄 통찰 (One-line insight)

The count badge is positioned with NEGATIVE offsets (top: -10px; right: -10px;) rather than the usual 0/positive values seen in other absolute-positioning recipes — this deliberately pushes the badge PARTLY OUTSIDE the parent button's boundary box, creating the familiar "peeking over the corner" notification-count look, which only works because .notification { position: relative; } gives the badge a positioning anchor to escape from in the first place. [S1]

🧠 핵심 개념 (Core concepts)

position: relative on the button — establishes the anchor for the badge's absolute positioning, same relative/absolute pairing seen throughout this cookbook. [S1]
Negative top/right offsets — top: -10px; right: -10px; deliberately pushes the badge outside the button's own box, rather than flush against an inner edge. [S1]
border-radius: 50% badge — combined with roughly-equal padding to render as a circle around the count number. [S1]

📖 세부 내용 (Details)

.notification { background-color: #555; position: relative; display: inline-block; } .notification .badge { position: absolute; top: -10px; right: -10px; border-radius: 50%; background: red; color: white; }. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

없음 — 신규 레시피, 기존 문서와 모순되는 내용 없음.

🛠️ 적용 사례 (Applied in summary)

"Inbox" 버튼 오른쪽 상단 모서리에 빨간 원형 배지로 "3"을 표시하는 예제가 원문에서 직접 제시됨. [S1]

💻 코드 패턴 (Code patterns)

Notification badge escaping the button's own box via negative offsets (CSS):

.notification { position: relative; display: inline-block; }
.notification .badge {
  position: absolute;
  top: -10px; right: -10px; /* negative -- pushes outside the button */
  border-radius: 50%;
  background: red;
  color: white;
}

✅ 검증 상태 및 신뢰도

상태: draft
검증 단계: conceptual
출처 신뢰도: B (W3Schools — widely used educational reference)
신뢰 점수: 0.82
중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

상위/루트: W3Schools HOW TO
관련 개념: HOWTO CSS Icon Buttons, HOWTO CSS Ribbon
참조 맥락: CSS Buttons 섹션.

📚 출처 (Sources)

[S1] W3Schools — How To - Notification Buttons — https://www.w3schools.com/howto/howto_css_notification_button.asp

📝 변경 이력 (Change history)

2026-07-04: Initial draft synthesized from the W3Schools "How To - Notification Buttons" recipe (Astra wiki-curation, P-Reinforce v3.1 format).

3.2 KiB Raw Blame History