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Before knowing about CSS3, we should brush up on our knowledge of CSS. As we all know, CSS is an acronym for Cascade Style Sheets and is mainly used while creating page layout for a web page along with HTML. The CSS language is used to demonstrate the view, style, and format of a document written using any markup language. HTML is the common markup language that is used with CSS. In other words, we can say that both HTML and CSS are interdependent when it comes to developing websites. Where on one hand, HTML is used for developing web pages, on the other hand, CSS is used for making those web pages interactive. As the technology is advancing, so are HTML and CSS. The recent version of both HTML and CSS are HTML5 and CSS3.

What are the new features offered by CSS3?

CSS3 has many features like:

  1. Selectors: You can use selectors to select (or find) the elements of HTML for styling. These selectors don’t require you to mention classes and IDs for each element. You just have to use these field elements to apply the styling functions. Given below are the five categories of selectors:
    1. Simple selectors: Used to select the element based on their name, id, or class
    2. Combinator selectors: Used to select the elements depending upon the relationship between them
    3. Pseudo-class selectors: Used to select the elements based on a particular state
    4. Pseudo-elements selectors: Used to select and apply styles on a specific part of an element
    5. Attribute selectors: Used to select the elements depending upon the attribute or the attribute value
  2. Multi-Column Layout: This feature facilitates the developers to divide their content into multiple columns using the column-gap, column-count, and column-width options.
  3. Text Effects and Layout: CSS3 allows you to add justification to your content, style the hyphenation of words, and remove whitespace from the document.
  4. Paged Media and Generated Content: CSS3 supports some additional options in Paged Media such as page numbers and headers and footers. Besides these, there are few added properties for printing Generated Content such as cross-references and footnotes.
    First-Letter and First-Line Pseudo-Classes:
  5. CSS3 has properties that will help you in adjusting the spacing between characters to achieve a visually pleasing effect (also known as kerning) and adding large decorative capital letters at the starting of a paragraph (also known as the positioning of drop-caps).

What are the advantages that CSS3 offers?

Although CSS3 is not the only language that is used for web development, however, it does have various advantages, which are:

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  • Viewing: Without the use of any third-party plug-ins, CSS3 allows you to view the online videos.
  • Visibility: CSS3 helps you in designing visually appealing online pages, hence, facilitating you to improve your brand’s visibility.
  • Appealing: You can make your website more appealing by adding videos and graphics in an easy manner.
  • Consistency: It allows you to place the navigational elements of the website at consistent and accurate positions.
  • Cost-Effective: Not only cost-effective but it is supported by most of the browsers and is time-saving.
  • Customization: If you want to customize or alter the created design, all you have to do is just modify a modular file.
  • Bandwidth Requirements: It reduces the bandwidth requirements of the server, therefore, increasing the download speed, and resulting in an improvised user experience.

What is the difference between CSS and CSS3?

CSS3 is CSS with some additional features, hence, it does not deprecate the code written in older versions of CSS. The main motive of CSS1 was to apply formatting on the appearance and did not support responsive designs. On the other hand, CSS3 helps the developers to apply styling on HTML elements in an easy way. They have the least dependency on image files and can accomplish the goal of styling in fewer lines of codes.

What styling categories does CSS have?

CSS has three different categories of styling that can be added to a document, there are:

  1. Inline styles: These styles are written directly within the tag of the HTML document. The applied styling is limited to the content of that tag only.
  2. Embedded styles: A <style> tag is applied in the head of the HTML document and acts as an external CSS file for that part of the document. These styles only affect the tags on the page they are embedded in
  3. External styles: This is the most widely used method for styling. External styles are written in an independent document and then attached to several other documents. You can call them in the main HTML document by adding a <link> tag in the head of the document.

To gain more information about CSS3 and HTML5 for creating web pages, you must check uCertify’s Advanced HTML5 and CSS3 Specialist v2.0 (1D0-620) course. It has a varied variety of items that will definitely provide you a hands-on experience. If you wish to get the 1D0-620 certification, this course will help you in that as well. It is a complete package of videos, lessons, quizzes, labs, and many more. The course covers all the topics of the exam objectives like HTML5 essentials, Using Cascading Style Sheets (CSS) technology, introduction to JavaScript, using HTML5 APIs, designing for mobile devices, and so on.

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Rahul Kumar

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