01What is the standard tool for applying styles based on screen size?
02Which meta tag is essential for responsive behavior on mobile?
03What does 'Mobile First' design mean?
04Which unit is relative to the width of the browser window?
05In responsive design, what is a 'breakpoint'?
06Which CSS property is best for creating a flexible, fluid image?
07What is the difference between 'em' and 'rem'?
08Which media query targets devices in landscape mode?