CSS Interview Questions and Answers 2022

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CSS Interview Questions and Answers 2022: CSS code is used in conjunction with HTML to make the webpage user friendly in order to create a beautiful webpage design. Using this CSS code, web pages are setup by measuring the font style, color font, size, text position etc. Which in turn provides a beautiful look to the website.

When the people on your website are very nice and your website is very comfortable to use the user is attracted to your website a lot and he likes to visit your website again and again. At present all websites require companies or organizations to use CSS to create websites for web developers.

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Of course CSS coding is required to create a beautiful website. It is never possible to create a beautiful website without using CSS coding with HTML. Although someone has created a website, but the website can not be user friendly.

If you are currently looking for a job for a web developer then you must have knowledge of CSS. If you are an expert in CSS and you are looking for a job related to CSS then this article will be very useful for you today. When it comes to getting a job in a website development company, all the key questions that are asked during the CSS interview. Today we will try to give those questions in the article.

What is CSS?

The full name of the CSS code is Cascading Style Sheets. Just as HTML is called the mother tongue of the website, so is CSS the design language of the website. A beautiful look of the website is created by using CSS along with HTML coding.

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Using this CSS court you can setup everything on your website according to your needs. For example font style, font color, font size, image position, image size, border-style etc. In a word, CSS is the style code of the website. CSS Interview Questions and Answers 2022.

CSS Interview Questions and Answers 2022

Here are some important questions and answers that are always asked in CSS interviews. I hope these questions and answers will play a very important role in answering your interview.

CSS (Cascading Style Sheets) Advantages ?

Answer:- CSS plays a crucial role in the overall presentation of a Web Site or Web Page : Like –

  • Faster page speed
  • Easy to maintain
  • Saves time
  • Device Compatibility
  • Enhanced user experience
  • Numerous formatting options
  • Lightweight code
  • Great accessibility
  • User Friendly

What are the disadvantages of CSS?

  • Different levels: CSS is available in different levels – CSS, CSS 1 to CSS3. This creates confusion among early stage developers.
  • Fragmentation: When using CSS, what works well in one browser may not work well in another. For this reason, web developers need to be tested for compatibility. They need to run the program in multiple browsers before the website can go live.
  • Security Challenge: CSS has no built-in protection to protect it from being overridden. Anyone can change the CSS file with access to read or write on the website.

What is the viewport height / viewport width in CSS?

This is a CSS unit used to measure height and width in percent. Viewport. It is mainly used in Web site or web page responsive design techniques. VH measures 1/100 of the viewport height. If the height of the browser is equal to 1000px, then 1vh is 10px. And if the width is 1000px, then 1 vw is 10px.

What is SASS?

Syntactically Awesome Style Sheets (SASS) is a preprocessor scripting language compiled into Cascading Style Sheets (CSS). Sass consists of two syntax. The indented syntax is a syntax similar to the original Hamel. It uses indentations to separate rules by separating code blocks and new line characters.

SCSS is a new syntax that uses block formatting like CSS. It uses braces to denote code blocks and semicolons to distinguish rules between blocks. The two syntaxes are traditionally given extensions of ‘.sass’ and ‘.scss’.

What is Group Selector?

This styles all elements separated by commas with the same style.

What is Attribute Selectors?

HTML elements can be styled using the attribute selector based on the presence of the attribute.

What is Class Selector?

The class selector matches an HTML element with a specific class attribute. It matches elements that have the same class properties as the class properties.

For Example:-

.class-example {
color: blue;

<div calss='class-example'>Welcome to Blogging Post</div>

What is Element selector?

The element selector selects HTML elements based on the name or tag of the element. It matches website or webpage one or more HTML elements of the same name.

Example - 

h2 {
color: green;
<h2>Welcome to Blogging Post</h2>
Example - 

h2, h3, h4, h5, h6 {
color: green;
<h3>Welcome to Blogging Post</h3>
<h4>Welcome to Blogging Post</h4>
<h5>Welcome to Blogging Post</h5>

What is ID selector?

The ID selector uses the ID properties of an HTML element to select a specific element. It matches any HTML element that has an ID attribute with the same value as the selector.

Example - 

#myid {
color: green;

<div id='myid'>Welcome to Blogging Post</div>

What is Universal selector?

Universal selector selects all the elements of an HTML document.

Example - 

 color: red;

How to define the dimension of an element in CSS?

Heightset the height
Widthset the Width
Max-heightset a maximum height
Max-widthset the maximum width
Min-heightset a minimum height
Min-widthset the minimum width
Dimension of an Element in CSS

Define CSS preprocessor.

A CSS preprocessor is a tool used to enhance basic functionality through the scripting language of the default vanilla CSS. It helps us to use complex logical syntax like functions, mixes, variables, code nesting and inheritance.

These preprocessors compile the code written through a special compiler. This is then used to create a CSS file that can be specified by the main HTML document.

Explain Embedded Style Sheet.

An embedded style sheet lets you define styles for the entire HTML document in one place. You can embed style sheet information into an HTML document by using the element. This is done by embedding the style sheet information within a tag at the top of the document.

What is CSS Framework?

A CSS framework is a library containing several CSS stylesheets ready for use by web developers and web designers. It helps to create user-friendly and browser-compatible web pages. One of the advantages of using a CSS framework is that it saves time, as you don’t have to start from scratch developers. Some popular CSS frameworks include like-

  • Bootstrap
  • Bulma
  • Foundation
  • Tailwind CSS
  • Milligram
  • Semantic UI
  • Gumby
  • Ulkit
  • Materialize

What is the use of CSS Box Model?

The CSS Box Model is used to design and layout web documents. It is a box that has many features including content, padding, border, and margin. This allows us to add a border around all the elements and define the space between the elements.

How to integrate CSS on a web page?

  • Inline: to add a CSS rule to an HTML element (tag)
  • Embedded: To add in Webpage or Website a unique style to a single document.
  • Linked/Imported/External: To make changes to multiple pages of the website.

Explain grouping and nesting in CSS.

Grouping allows you to assign different selectors without having to repeat the same features. It reduces code by grouping selectors that have the same attribute or value. To group them, separate them with a comma and the same features will be applied to all of them. Nesting allows you to nest elements inside other elements.

What is the difference between HTML and CSS?

HTML or Hypertext Markup Language is a markup language that lets you develop web documents, websites and web applications. It describes the content and structure of web pages, for example, the location of the navigation bar. CSS, on the other hand, describes the stylistic features of a website, such as color, font, and page layout.

HTML and CSS are two basic technologies for creating web pages. While HTML provides a functional framework, CSS is responsible for providing aesthetic content to a web document.

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