CSS Interview Questions

Q1: Define CSS?

Ans: CSS is used to highlight the style of an HTML webpage. In simple words, it can be defined as a language that is helpful in setting up the behavior of an HTML webpage. It is that language that will tell you what the HTML content is going to display on the screen, paper, or any other form of media.

To manage the layout of many HTML web pages, it is frequently used. With CSS, you don’t have to do much work. At once, it can control the layout of several web pages. To store the external stylesheets, CSS files are used.

Q2: Which are the latest modules used in the recent version of CSS?

Ans: A Module is a CSS file that is used for class and animation names. Moreover, these files are scoped locally by the program. You don’t have to specify these files. Along with the CSS definitions as properties, it allows you to bring in your .css file into a JavaScript Object. If you need to modularize or extend the style definitions, it has a compose property to help you with that.

Note that, CSS modules are not an option given by the browser. They are included in the compilation process that changes scoped classes and selectors into CSS files. And, the browser is able to read them.

These latest modules include box model, selectors, text Effects, user Interface, multiple column layouts, 2D/3D transformations, etc.

Q3: Differentiate between CSS2 and CSS3?

Ans: There are a number of differences between these two. Let’s jump right into them: Module: CSS3 has several divisions. These sections are known as module. In CSS2, everything is held into one document. That single document contains the necessary information.

Compatibility with the browser: when you work with CSS3 modules, you can use any browser. On the contrary, not every browser support CSS2.

In terms of graphics-related characteristics, CSS3 is better than CSS2. you can find Border-radius, flexbox on it. These options are absent in CSS2. Aside from that, CSS3 allows many background images on a webpage. These can be used with properties, such as background image, background-repeat styles, and background-position.

Q4: Briefly explain the different types of CSS?

Ans: CSS has only three types:

  • External: To write them, there are separate files. In this type, you have to link the web pages to the external .css file. This can be made with a text editor. CSS is an effective way for styling a website. To transform the entire site, you can edit the .css file.
  • Internal: is located at the top of the web page code document. In the < head > section, it contains a < style > tag. For styling single pages, they are efficacious. If you opt to use it for several web pages, you will end up wasting a lot of time.
  • Inline: You can find them written beside the text. Inline CSS can be utilized to style a certain HTML element. There is no need of using a selector, you can just add a style attribute to each HTML tag. It is tough to use. If you are using it alone. In some situations, it is beneficial.

Q5: Why is the external style sheet useful?

Ans: As mentioned above, with the external file, all the info can be written in one document. That’s why it is so convenient for the users. You can use it anywhere. All you have to do is to refer to the link of that external style sheet file.

Hence, alteration on the file can result in changes to the external file. As a consequence, you will be able to see those changes on the webpage. We call it a convenient style as it helps you to work with files that are big in size. By the implementation of consistent formatting to website pages, external style sheets are able to bring a uniform, international appearance, and vibe to a website. You can link the HTML pages with the external style sheet.

Q6: How can you take benefit from the embedded style sheet?

Ans: With the embedded style sheet, we have the freedom to define styles in one document. Or to be exact, we can do it in one place. Embedded style sheets ensure to define styles for the entire HTML document in one place.

In the Embedded style sheets document, you use the tags. We are free to form several classes with an embedded style sheet. In this way, it can be used on many tag types of a web page. Furthermore, to import a piece of information, you don’t need to go an extra mile for downloading.