Q1. What is a CSS selector?

A CSS selector is a pattern used to select HTML elements for styling.

Q2. What are different types of selectors?

Element selectors (p), class selectors (.class), ID selectors (#id), universal (*), attribute selectors.

Q3. What is specificity in CSS?

Specificity determines which rule applies when multiple target same element. ID > Class > Element.

Q4. What is the universal selector?

* selects all elements on the page, often used for CSS resets.

Q5. What is a group selector?

Group selector applies same styles to multiple selectors: h1, h2, h3 { color: navy; }