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CSS Questions
60+ CSS interview questions, including quiz-style knowledge questions and CSS coding questions.
Try these popular CSS questions
Digital Clock
Build a 7-segment digital clock that shows the current time
Available frameworks
Holy Grail
Build the famous holy grail layout consisting of a header, 3 columns, and a footer
Available frameworks
Like Button
Build a Like button that changes appearance based on the states
Available frameworks
Coding
Quiz
Coding Format
User Interface
JavaScript Utilities
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Number of questions
30 questions
Total time
13 hours total
Questions List
Holy Grail
Build the famous holy grail layout consisting of a header, 3 columns, and a footer
Difficulty
Easy
Available frameworks
Users completed
3705 completed
Tabs
Build a tabs component that displays a list of tab elements and one associated panel of content at a time
Difficulty
Medium
Available frameworks
Users completed
1203 completed
Classnames
Implement a function that conditionally joins CSS class names together
Difficulty
Medium
Languages
CSS
JS
TS
Users completed
804 completed
Traffic Light
Build a traffic light where the lights switch from green to yellow to red after predetermined intervals and loop indefinitely
Difficulty
Medium
Available frameworks
Users completed
657 completed
Digital Clock
Build a 7-segment digital clock that shows the current time
Difficulty
Medium
Available frameworks
Users completed
408 completed
Job Board
Build a job board that displays the latest job postings from Hacker News
Difficulty
Medium
Available frameworks
Users completed
436 completed
Accordion
Build an accordion component that a displays a list of vertically stacked sections with each containing a title and content snippet
Difficulty
Easy
Available frameworks
Users completed
1111 completed
jQuery.css
Implement a jQuery-like function that sets the style of a DOM element
Difficulty
Easy
Languages
HTML
CSS
JS
TS
Users completed
1042 completed
Progress Bar
Build a progress bar component that shows the percentage completion of an operation
Difficulty
Easy
Available frameworks
Users completed
1009 completed
Progress Bars
Build a list of progress bars that fill up gradually when they are added to the page
Difficulty
Easy
Available frameworks
Users completed
535 completed
Tweet
Build a component that resembles a Tweet from Twitter
Difficulty
Easy
Available frameworks
Users completed
472 completed
Analog Clock
Build an analog clock where the hands update and move like a real clock
Difficulty
Medium
Available frameworks
Users completed
181 completed
Grid Lights
Build a grid of lights where the lights deactivate in the reverse order they were activated
Difficulty
Medium
Available frameworks
Users completed
268 completed
jQuery Class Manipulation
Implement a set of jQuery-like functions that manipulates classes on a DOM element
Difficulty
Medium
Languages
HTML
CSS
JS
TS
Users completed
267 completed
Like Button
Build a Like button that changes appearance based on the states
Difficulty
Medium
Available frameworks
Users completed
341 completed
Progress Bars II
Build a list of progress bars that fill up gradually in sequence, one at a time
Difficulty
Medium
Available frameworks
Users completed
180 completed
Star Rating
Build a star rating component that shows a row of star icons for users to select the number of filled stars corresponding to the rating
Difficulty
Medium
Available frameworks
Users completed
733 completed
Tabs II
Build a semi-accessible tabs component that has the right ARIA roles, states, and properties
Difficulty
Medium
Available frameworks
Users completed
113 completed
getElementsByClassName
Implement a function to get all DOM elements that contain the specified classes
Difficulty
Medium
Languages
HTML
CSS
JS
TS
Users completed
337 completed
Progress Bars III
Build a list of progress bars that fill up gradually concurrently, up to a limit of 3
Difficulty
Medium
Available frameworks
Users completed
112 completed
Tic-tac-toe
Build a tic-tac-toe game that is playable by two players
Difficulty
Medium
Available frameworks
Users completed
151 completed
Stopwatch
Build a stopwatch widget that can measure how much time has passed
Difficulty
Medium
Available frameworks
Users completed
137 completed
Transfer List
Build a component that allows transferring of items between two lists
Difficulty
Medium
Available frameworks
Users completed
141 completed
Whack-A-Mole
Build a popular arcade game where players attempt to hit moles as they pop up from holes in a board
Difficulty
Medium
Available frameworks
Users completed
54 completed
Memory Game
Build a memory game where the player needs to match pairs of cards
Difficulty
Medium
Available frameworks
Users completed
57 completed
New
Classnames II
Implement a function that conditionally joins CSS class names together and also handles de-duplication and function values
Difficulty
Hard
Languages
CSS
JS
TS
Progress Bars IV
Build a list of progress bars that fill up gradually concurrently, up to a limit of 3 and allows for pausing and resuming
Difficulty
Hard
Available frameworks
Users completed
62 completed
Tic-tac-toe II
Build an N x N tic-tac-toe game that requires M consecutive marks to win
Difficulty
Hard
Available frameworks
Users completed
38 completed
Transfer List II
Build a component that allows transferring of items between two lists, bulk selection/unselection of items, and adding of new items
Difficulty
Hard
Available frameworks
Users completed
40 completed
Wordle
Build Wordle, the word-guessing game that took the world by storm
Difficulty
Hard
Available frameworks
Users completed
27 completed