CSS Quiz Test Online (30 random Questions) 2026

Take this CSS Quiz Test Online and challenge your knowledge with 30 carefully crafted questions. Whether you’re a beginner or an experienced developer, this quiz will help you assess your understanding of CSS fundamentals, styling techniques, selectors, properties, layouts, and advanced concepts.

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30 Minutes CSS Quiz Test Online

Test your CSS knowledge with this 30-minute quiz! Covering fundamental to advanced concepts, this quiz features 30 multiple-choice questions that will challenge your understanding of selectors, properties, layout techniques, animations, and responsive design. Perfect for interview preparation and skill enhancement.

1 / 30

1. Which CSS3 property is used to create shadow effects around an element?

A) element-shadow

B) element-effect

C) box-shadow

D) shadow-effect

2 / 30

2. Which media query targets devices with a specific screen width?

A) @media (max-height: 768px)

B) @media (min-width: 768px)

C) @media (min-height: 768px)

D) @media (max-width: 768px)

3 / 30

3. What is the correct way to link an external CSS file to an HTML document?

A) <link>styles.css</link>

B) <link rel="stylesheet" href="styles.css">

C) <css src="styles.css"></css>

D) <style>styles.css</style>

4 / 30

4. Which CSS3 feature is used to apply rounded corners to elements?

A) text-shadow

B) box-shadow

C) border-radius

D) opacity

5 / 30

5. Which CSS property is commonly used to adjust the layout based on the screen orientation?

A) text-align

B) flex-direction

C) display

D) orientation

6 / 30

6. What is the purpose of using feature detection libraries like Modernizr in CSS development?

A) To remove vendor prefixes from CSS code

B) To optimize CSS performance

C) To detect the browser version

D) To provide a fallback mechanism for older browsers

7 / 30

7. Which of the following has the highest specificity?

A) .myClass p

B) body div p

C) .myClass #myID

D) #myID

8 / 30

8. What is the specificity value of the following selector: div#content .paragraph?

A) 101

B) 100

C) 110

D) 111

9 / 30

9. What is the primary purpose of media queries in CSS?

A) To specify the color scheme of a website

B) To define the font family used in a webpage

C) To apply different styles based on the device characteristics

D) To create animations for web elements

10 / 30

10. Which CSS3 feature is used to create a responsive design for web pages?

A) grids

B) media queries

C) animations

D) transitions

11 / 30

11. What does the justify-self property do in Grid?

A) Aligns grid items along the main axis

B) Adjusts the size of grid columns

C) Aligns grid items along the cross-axis

D) Aligns a grid item within its grid area along the inline axis

12 / 30

12. What CSS property is used to create a grid container?

A) display: inline;

B) display: grid;

C) display: block;

D) display: flex;

13 / 30

13. What is the purpose of the -webkit- prefix in CSS?

A) Targeting Opera browser

B) Targeting Safari and Chrome browsers

C) Targeting Microsoft Edge browser

D) Targeting Firefox browser

14 / 30

14. Which tool is commonly used to automate the generation of vendor prefixes in CSS?

A) CSS Validator

B) CSS Minifier

C) Autoprefixer

D) CSS Lint

15 / 30

15. Which CSS property is used to place a grid item within a grid area?

A) place-item

B) item-position

C) grid-area

D) grid-placement

16 / 30

16. What is the correct order of the CSS box model?

A) Padding, Border, Width, Height

B) Padding, Margin, Content, Border

C) Margin, Padding, Border, Content

D) Border, Margin, Height, Width

17 / 30

17. Which CSS selector targets elements that are adjacent to each other?

A) + (adjacent sibling combinator)

B) :adjacent

C) ~ (general sibling combinator)

D) :next

18 / 30

18. Which CSS property is used to set the width of an element?

A) width

B) length

C) dimension

D) size

19 / 30

19. Which CSS3 feature is used to create 2D and 3D transformations?

A) translate

B) rotate

C) transform

D) transition

20 / 30

20. What does the gradients feature in CSS3 allow you to create?

A) Shadow effects for elements

B) Smooth transitions between colors

C) Rounded corners for elements

D) A gradual transition between two or more specified colors

21 / 30

21. Which CSS selector has the highest specificity?

A) Universal selector

B) ID selector

C) Class selector

D) Tag selector

22 / 30

22. Which CSS property is used to create rounded corners?

A) corner-radius

B) border-radius

C) border-style

D) rounded-corners

23 / 30

23. What is the purpose of vendor prefixes in CSS?

A) To enhance security features in CSS stylesheets

B) To remove compatibility issues between different CSS versions

C) To ensure consistency in CSS rendering across all browsers

D) To target specific browsers and apply proprietary CSS features

24 / 30

24. Which CSS property is used to control the spacing between lines of text?

A) spacing

B) line-spacing

C) line-height

D) text-spacing

25 / 30

25. How do you create a group of selectors in CSS?

A) Separate selectors with spaces

B) Separate selectors with semicolons

C) Separate selectors with commas

D) Separate selectors with plus signs

26 / 30

26. What is the specificity of the following selector: body .container #content?

A) 100

B) 111

C) 110

D) 101

27 / 30

27. What is the specificity of the following selector: div.container #content p.highlight span?

A) 1003

B) 121

C) 123

D) 111

28 / 30

28. Which CSS property is used to align text within an element?

A) align

B) align-text

C) text-align

D) text-style

29 / 30

29. Which of the following selectors has the least specificity?

A) Universal selectors

B) Class selectors

C) ID selectors

D) Element selectors

30 / 30

30. What is the purpose of the max-height media query?

A) It applies styles if the viewport height is equal to or greater than the specified value

B) It applies styles if the viewport height is equal to or less than the specified value

C) It applies styles if the viewport width is equal to or greater than the specified value

D) It applies styles if the viewport width is equal to or less than the specified value

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