Pseudo-Class vs Pseudo-Element — Interview Answer — CSS Technical Interview Questions & Answers

Model answer with :hover vs ::before examples.

Pseudo-Class vs Pseudo-Element — Interview Answer

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Code Examples for Pseudo-Class vs Pseudo-Element — Interview Answer

Pseudo-Class vs Pseudo-Element — Interview Answer — working example

.card {
  position: relative;
}

.card::before {
  content: "";
  display: block;
  height: 4px;
  background: #2563eb;
}

.external-link::after {
  content: " ↗";
  font-size: 0.85em;
}

Pseudo-Class vs Pseudo-Element — Interview Answer — pseudo-elements (::before/::after) create extra boxes from content — not real DOM nodes.

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