Q1. How do you add borders to tables?

Use border property on table, th, td: border: 1px solid black;

Q2. What does border-collapse do?

border-collapse: collapse merges adjacent table borders into single borders. Separate keeps them apart.

Q3. How do you add space between table cells?

Use border-spacing property when border-collapse is separate. Also can use padding inside cells.

Q4. How do you style table headers differently?

Target th elements specifically: th { background-color: #f2f2f2; font-weight: bold; }

Q5. How do you make tables responsive?

Use overflow-x: auto on container, or display: block with media queries for small screens.