Interview Question

What is border in CSS?

A border surrounds the padding box and contributes to element size.

💡 Concept ✅ Quick Revision 🎨 CSS

Answer

A border is a line drawn around an element’s padding edge. • Border width, style, and color can be set independently. • A border contributes to the box size. • Rounded corners are controlled separately with border-radius.

💡 Simple Example

.avatar {
  border: 3px solid royalblue;
  border-radius: 50%;
}

⚡ Quick Revision

A border surrounds the padding box and contributes to element size.

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