CSS Interview Questions for Beginners & Answers (2025)

Cascading Style Sheets (CSS) is a style sheet language used to describe an original document in a scripting language such as HTML. CSS, together with HTML and JavaScript, is a cornerstone of the World Wide Web technology.

Start Reading Practice Questions

Questions

11 min

Avg Read Time

95%

Success Rate

2023

Updated

Quick Actions

CSS Interview Questions Practice Test CSS Interview Questions MCQ

CSS Interview Questions Interview Preparation Guide

What is CSS? Every business is trying to make websites that are user engaging. An attractive website increases the engagement time as the customer spends some time exploring it. Thus, every company is hiring developers who can make that happen. If you are a CSS aspirant is applying for the post of CSS developer, make sure you go through the smart compilation of these css interview questions that can help you achieve your dream job.

Quick Questions on CSS

CSS Full Form	Cascading Style Sheets
CSS is used	for styling web pages.
CSS is developed By	Håkon Wium Lie; Bert Bos; World Wide Web Consortium
CSS file Extension	.css
CSS Rule consists of	selector and a declaration block
CSS first release date	December 17, 1996

Interview Tip

In CSS Interview Questions interviews, it's important to clearly explain key concepts and demonstrate your coding skills in real-time. Practice articulating your thought process while solving problems, as interviewers value both your technical ability and how you approach challenges.

Our team has carefully curated a comprehensive collection of the top CSS Interview Questions to help you confidently prepare, impress your interviewers, and land your dream job.

CSS Interview Questions for Freshers

1 What is CSS?

Cascading style sheets or CSS is a web designing language simple for HTML elements. The application is commonly known as XHTML. It is basically used to simplify the process and make the web page look presentable.

2 What are the advantages of CSS?

There are a number of advantages of CSS,

It gives lots of flexibility for setting the properties of the element
Easy maintenance
It allows separation of content of the HTML document from the style and layout of the content basically
Loading of pages at a faster pace
Compatibility with multiple device
Increases the website’s adaptability and makes it compatible to future browsers

3 In how many ways can a CSS be integrated as a web page?

CSS can be integrated in three ways:

Inline: term is used when the CSS code have attribute of HTML elements
```
<p style="colour:skyblue;"> hello world!</p>
```
External: separate CSS file is created in the workspace and later linking them in every web page that is created
```
<head>

  <link rel="text/css"

href="your_CSS_file_location"/>

</head>
```

Internal: the head element of the web page has internal CSS implemented in it

<head>

  <style>

    p{

       color:lime;

       background-color:black;

      }

   </style>

</head>

4 What benefits and demerits do External Style Sheets have?

The advantages of External Style sheets are:

The style of several documents can be controlled from site by using them.
Multiple HTML elements can have many documents, where classes can be created.
To group styles in complex situations, selector and grouping methods are used.

Demerits of external css are as follows:

Extra download is needed to import documents having style information.
To render the document, the external style sheet should be loaded.
Not practical for small style definitions.

5 Discuss the merits and demerits of Embedded Style Sheets?

There are several merits and demerits of embedded style sheets:
Merits of Embedded Style Sheets:

Multiple tag types can be created in a single document.
Styles, in complex situations, can be applied by using Selector and Grouping methods.
Extra download is unnecessary.

Demerits of Embedded Style Sheets:

Multiple documents cannot be controlled.

6 What is CSS Box Model and what are its elements?

The CSS box defines the design and the layout of elements of CSS. The several elements are:

Margin: transparent area outside border
Border: the padding and content option with a border around it is shown.
Padding: Space is around content. Padding is transparent.
Content: box where text and images appear.
e.g.:

 
div{
	width: 300px;
	border: 25px solid  yellow;
	padding: 25px;
	margin:  25px;
}

7 What is the purpose of the z-index and how is it used?

The z-index helps specify the stack order of positioned elements that may overlap one another. The z-index default value is zero and can take on either a positive or negative number.

An element with a higher z-index is always stacked above a lower index.

Z-Index can take the following values:

Auto: Sets the stack order equal to its parents.
Number: Orders the stack order.
Initial: Sets this property to its default value (0).
Inherit: Inherits this property from its parent element.

8 What are the benefits of CSS sprites?

Benefits of using CSS sprites are

It is a technique where one has a large image containing a set of small images. Those images can be broken down with the help of CSS to disintegrate into multiple images.
It helps large images or pages to load faster hence, saving a lot of time. It cuts back HTTP requests. It is also flexible over website’s layout and design.
The concept of CSS sprites is used to reduce the loading time for a web page because it combines the various small images into one image. It reduces the number of http requests and hence the loading time.

9 How can you integrate CSS on a web page?

CSS can be integrated in three ways:

Inline: term is used when the CSS code have attribute of HTML elements

<p style="colour:skyblue;"> My Sky!</p>

External: separate CSS file is created in the workspace and later linking them in every web page that is created

<head>

  <link rel="text/css" href="your_CSS_file_location"/>

</head>

Internal: the head element of the web page has internal CSS implemented in it

<head>

  <style>
    p{

       color:lime;

       background-color:black;

      }
  </style>

</head>

10 Compare RGB values with Hexadecimal color codes?

A color can be specified in two ways:

A color is represented by 6 characters i.e. hexadecimal color coding. It is a combination of numbers and letters and is preceded by #. e.g.: g {color: #00cjfi}
A mixture of red, green and blue represents a color. The value of a color can also be specified.

e.g.: rgb(r,g,b):
In this type the values can be in between the integers 0 and 255. rgb(r%,g%,b%): red, green and blue percentage is shown.

11 Enlist the various Media types used?

Different media has different properties as they are case insensitive.
They are:

Aural – for sound synthesizers and speech
Print – gives a preview of the content when printed
Projection- projects the CSS on projectors.
Handheld- uses handheld devices.
Screen- computers and laptop screens.

12 What is Pseudo-elements?

Pseudo-elements are keyword added to the selector that allows one o style a specific part of the selected element. CSS is used to apply styles in HTML mark-up. In some cases when extra mark-up or styling is not possible for the document, then there is a feature available in CSS known as pseudo-elements. It will allow extra mark-up to the document without disturbing the actual document. It can be used for;

To style the first letter, line or element
To insert a content

Syntax

Selector: :pseudo-element {

property1 :value;
property2 :value;

}

13 What is the usage of Class selector?

A name preceded by a full stop is considered as a class selector in CSS. Selectors that are unique to a specific style, are called CLASS selectors. Declaration of style and association with HTML can be made through this. An ID identifies a single element whereas a class identifies more than one element.

Syntax for the class selector:

Classname:it can be A-Z, a-z or digits.


.top {font: 14em ;} //class selector
<Body class= "top"> //this class is associated with element </body>

14 Enlist the various fonts’ attributes?

They are:

Font-style
Font-variant
Font-weight
Font-size/line-height
Font-family
Caption
Icon

15 Comment on the Case-sensitivity of CSS ?

Basically it is not case sensitive but the class names are considered as case sensitive in HTML 4.01 nevertheless font families, URL’s of images, etc is. Only when XML declarations along with XHTML DOCTYPE are being used on the page, CSS is case -sensitive.

16 Enlist the media types CSS allows?

Media is one of the most important features of CSS. The media renders the design and customization of documents. By applying media control over the external style sheets, they can be retrieved and used by loading it from the network. Some of the media types are:

All – for all devices
Aural – speech synthesizers
Braille – feedback devices
Embossed – paged braille printers
Handheld – typically small screen, limitation of bandwidth
Projection – basically for projectors
Tv – television type devices
Screen – color computer screens

17 Differentiate logical tags from physical tags?

There are several pointers that make local tags different from physical tags:

Physical Tags	Local Tags
Physical tags are used to indicate how a particular character is to be formatted	logical tags are used to indicate by the visually impaired and put emphasis on the text.
Physical tags are also referred to as presentational mark-up	Logical tags are useless for appearances
Physical tags are newer versions	Logical tags are old and concentrate on content

18 Differentiate Style Sheet concept from HTML?

While HTML provides easy structure method, it lacks styling, unlike Style sheets. Moreover, style sheets have better browser capabilities and formatting options. CSS works better on bigger pages and as the pages grow the benefits become more and more visible. HTML is basically for smaller pages. Due to modularity, CSS has become popular it makes the process simple and webpages more presentable and is not meant for HTML alone.

19 Describe ‘rule set’?

It is an instruction that tells browser on how to render a specific element on the HTML page. It consists of a selector with a declaration block that follows. Rule set: Selectors can be attached to other selectors to be identified by rule set.

It has two parts:

Selector, e.g. R and
Declaration block {text-indent: 11pt}

20 What are the limitations of CSS?

There are several limitations of CSS such as:

CSS can’t fulfill turning completeness hence, it can never perform logical like ‘if/else’, for/while, etc, or arithmetical tasks
One cannot read files using CSS
It cannot provide total control over document display and allows the contents of the page to come through whatever the browser is used.
Ascending by selectors is not possible
Limitations of vertical control
No expressions as it is a text-based coding language
No column declaration
Pseudo-class not controlled by dynamic behavior
Rules, styles, targeting specific text not possible

21 What are the different versions of CSS ?

Different versions of CSS are:

CSS 1
CSS 2
CSS 2.1
CSS 3
CSS 4

22 What are the Pseudo classes?

These classes are used to define a special state of an element. You can use them for

Style an element when someone mouses over it
Style visited and unvisited links differently
Style an element when it gets focus

Ready to Master JavaScript Interviews?

Practice with our interactive coding challenges and MCQ tests to boost your confidence and land your dream JavaScript developer job.

Start Practicing Take MCQ Test

CSS Interview Questions for Beginners & Answers (2025)

Table of Contents

Quick Actions

CSS Interview Questions Interview Preparation Guide

Quick Questions on CSS

Interview Tip

CSS Interview Questions for Freshers

1 What is CSS?

2 What are the advantages of CSS?

3 In how many ways can a CSS be integrated as a web page?

4 What benefits and demerits do External Style Sheets have?

5 Discuss the merits and demerits of Embedded Style Sheets?

6 What is CSS Box Model and what are its elements?

7 What is the purpose of the z-index and how is it used?

8 What are the benefits of CSS sprites?

9 How can you integrate CSS on a web page?

10 Compare RGB values with Hexadecimal color codes?

11 Enlist the various Media types used?

12 What is Pseudo-elements?

13 What is the usage of Class selector?

14 Enlist the various fonts’ attributes?

15 Comment on the Case-sensitivity of CSS ?

16 Enlist the media types CSS allows?

17 Differentiate logical tags from physical tags?

18 Differentiate Style Sheet concept from HTML?

19 Describe ‘rule set’?

20 What are the limitations of CSS?

21 What are the different versions of CSS ?

22 What are the Pseudo classes?

Related Interview Questions

HTML Interview Questions

HTML5 Interview Questions

Bootstrap Interview Questions

CSS3 Interview Questions

Flex Interview Questions

Front End Developer Interview Questions

SVG Interview Questions

Web Designing Interview Questions

Photoshop Interview Questions

Adobe Illustrator Interview Questions

XHTML Interview Questions

XQuery Interview Questions

Graphic Designer Interview Questions

UX Designer Interview Questions

UI Designer Interview Questions

Web Developer Interview Questions

Ready to Master JavaScript Interviews?