CSS 3 Interview Questions and Answers in 2025 (100+ Q&A)

CSS 3 Web Designer

Ques:- As a reader, how can I make my browser recognize my own style sheet?

Asked In :- Cineplex, Digital Core Technologies,

Right Answer:
You can make your browser recognize your own style sheet by linking it in the HTML document using the `<link>` tag in the `<head>` section, like this:

```html
<link rel="stylesheet" type="text/css" href="your-stylesheet.css">
```

CSS 3 Web Programmer

Ques:- What does ABCD (and ABCDE) mean?

Asked In :-

Right Answer:
ABCD (and ABCDE) refers to a method of evaluating the usability and accessibility of web content, often used in the context of web design and development. Each letter represents a different aspect to consider: A for Accessibility, B for Browser compatibility, C for Content quality, D for Design, and E for Engagement.

CSS 3 Web Designer

Ques:- Why can @import be at the top only?

Asked In :- DataMetica, Novel Office, TSS Consultancy,

Right Answer:
The `@import` rule must be at the top of the CSS file because it needs to load stylesheets before any other styles are applied. If placed after other rules, those rules may not be overridden as intended.

Application Designer CSS 3

Ques:- How do you make a whole div into a link?

Asked In :- image infosystems,

Right Answer:
Wrap the `<div>` inside an `<a>` tag like this:

```html
<a href="your-link-here">
<div class="post-title questionitem showquestion" data-question-id="25406">
Your content here
</div>
</a>
```

CSS 3 Web Designer

Ques:- Do URL's have quotes or not?

Asked In :- Unistring Tech Solutions, VGB IT Solutions, ApMoSys Technologies, Senrysa Technologies, fujitec,

Right Answer:
URLs do not require quotes.

CSS 3 Gui/ Web Developer

Ques:- How do I quote font names in quoted values of the style attribute?

Asked In :-

Right Answer:
Font names should be quoted using either single quotes or double quotes. If the font name contains spaces, it must be enclosed in quotes. For example:

```html
<style>
.example {
font-family: 'Open Sans', Arial, sans-serif;
}
</style>
```

or

```html
<style>
.example {
font-family: "Open Sans", Arial, sans-serif;
}
</style>
```

CSS 3 Gui/ Web Developer

Asked In :-

Right Answer:
The challenges people face with CSS layouts often stem from a lack of understanding of CSS layout techniques rather than inherent limitations in CSS itself.

CSS 3 Flash Animator/ Scripting

Ques:- If background and color should always be set together, why do they exist as separate properties?

Asked In :-

Right Answer:
Background and color exist as separate properties to provide flexibility in styling. This allows developers to set them independently when needed, while still being able to apply them together for consistent design.

CSS 3 Gui/ Web Developer

Ques:- Must I quote property values?

Asked In :-

Right Answer:
No, you do not have to quote property values in CSS, but it is recommended to quote values that contain spaces or special characters.

CSS 3 User Interface Designer

Ques:- If one were to set Text and Link colors using a style sheet, should one also define the background colors for these elements as well?

Asked In :- Oodles Technologies, Sun Dew Solutions, Tredence Analytics Solutions, Infinite Computer Solutions India, YOKOGAWA IA TECHNOLOGIES INDIA, Apttus Software, MaxVal-IP Services, AgilePoint Software India, Sysfore Technologies, Systematix Infotech,

Right Answer:
Yes, it is a good practice to define background colors for elements along with text and link colors to ensure good contrast and readability.

CSS 3 Visual Designer/ Animator

Ques:- Why do font sizes differ in different browsers?

Asked In :- bravissimo, ryder architecture,

Right Answer:

a) Different browsers:

Browsers have their own default styles and rendering engines, which may interpret font sizes slightly differently.
Some browsers apply minimum font sizes or zoom differently by default.
Solution: Use CSS resets or normalize stylesheets and specify font sizes using relative units like rem or em.

CSS 3 Web Designer

Ques:- Why call the subtended angle a “pixel”, instead of something else (e.g. “subangle”)?

Asked In :- Amiti Software Technologies, sovos, fujitec,

Right Answer:
The term "pixel" is used because it refers to the smallest unit of a digital image or display, representing a point in a raster image. The subtended angle relates to how this point is perceived in terms of visual resolution and clarity, making "pixel" a more relevant term in the context of digital displays.

CSS 3 Gui/ Web Developer

Ques:- Justified Text?

Asked In :-

Right Answer:
To create justified text in CSS, use the `text-align` property with the value `justify`. For example:

```css
p {
text-align: justify;
}
```

CSS 3 Instructional Designer

Ques:- How to make text-links without underline?

Asked In :- City Pride School, Vibgyor High School, Illumine, Maharishi University of Information Technology, nsw department of education and communities, brunel university london, edmc, aqa, amideast, connections academy,

Right Answer:
You can make text links without underlines by using the CSS property `text-decoration`. Here’s how you can do it:

```css
a {
text-decoration: none;
}
```

CSS 3 Instructional Designer

Ques:- How do I make my div 100% height?

Asked In :- Twilio, O P Jindal Global University, Kumon Group, GD Goenka University, Pedalheads Bike Camps, Knowledge Foundry, EduRev, Freedom English Academy, ICT Academy of Kerala, simcoe county district school board,

Right Answer:
To make a div 100% height, set its height to 100% and ensure its parent element has a defined height. Use the following CSS:

```css
html, body {
height: 100%;
}

.your-div-class {
height: 100%;
}
```

CSS 3 User Interface Designer

Ques:- What is the Need for CSS ?

Asked In :- SpotOn Software, IMAGINATION TECHNOLOGIES LIMITED, AroDek, Clicks Bazaar Technologies, Code Insight Technologies, AXESTRACK SOFTWARE SOLUTIONS, Graebert India Software, Direction Software Solutions, Sapiens International Corporation, Leeway Hertz,

Right Answer:
CSS is needed to separate content from presentation, allowing for better design control, improved website performance, easier maintenance, and consistent styling across multiple pages.

CSS 3 Usability Engineer

Ques:- Can you use someone else's Style Sheet without permission?

Asked In :- Health Asyst, Delta India Electronics, Wexford County Council, E-T-A, Itlize Global, loughborough university, nova chemicals, university of bedfordshire, dhl express, solaredge technologies,

Right Answer:
No, you cannot use someone else's Style Sheet without permission, as it may violate copyright laws.

CSS 3 Web Designer

Ques:- Can Style Sheets and HTML stylistic elements be used in the same document?

Asked In :- Testrig Technologies, Fiport Software India,

Right Answer:
Yes, Style Sheets (CSS) and HTML stylistic elements can be used in the same document.

CSS 3 Usability Engineer

Ques:- CSS is clearly very useful for separating style from content. But apparently people tend to have problems when using it for layouts. Would you say this is because people have not yet understood how to properly do layout in CSS, or is it CSS that is lacking in this area? What can be done to improve the situation? — Would the web benefit from HTML and CSS being complemented with some kind of “layout language”?

Asked In :- Health Prime Services (India), Tmeic International Corporation, saudi electricity company, loughborough university, western power, university of bedfordshire, slaughter and may, solaredge technologies, fd, tandem diabetes care,

Right Answer:
The challenges people face with CSS layouts often stem from a lack of understanding of CSS's capabilities and best practices rather than inherent limitations of CSS itself. To improve the situation, better education and resources on CSS layout techniques, such as Flexbox and Grid, can help. While a dedicated "layout language" could provide additional options, enhancing CSS and promoting its proper use is generally more beneficial for web development.

CSS 3 Gui/ Web Developer

Ques:- To what are partial URLs relative?

Asked In :-

Right Answer:
Partial URLs are relative to the base URL of the current document or webpage.

Welcome to the CSS3 category on takluu.com, designed for frontend developers and designers who want to ace their interviews by mastering the latest in styling and layout technologies.

CSS3 is the backbone of modern web design, introducing powerful features like animations, transitions, flexbox, grid layouts, media queries, and more. These features help create visually appealing, responsive, and user-friendly websites.

This category covers all essential topics such as:

CSS3 selectors and pseudo-classes
Box model and positioning
Flexbox and CSS Grid layouts
CSS animations and transitions
Media queries for responsive design
CSS variables and custom properties
Browser compatibility and performance tips

Interview questions include:

What are the differences between flexbox and grid?
How do CSS animations work?
Explain the box model and its components.
How to make a website responsive using media queries?
What are pseudo-classes and pseudo-elements?

Each topic is explained in a clear and easy-to-understand manner, accompanied by practical examples and tips on best practices. This helps you not only answer questions but also apply CSS3 skills effectively in real projects.

Whether you’re preparing for roles at startups, IT firms, or product-based companies, the CSS3 section at takluu.com is your go-to guide for frontend interview success.

Questions in: CSS 3

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