What is CSS3? Uses & Need Features and Advantages of CSS3

What is CSS3? Uses & Need Features and Advantages of CSS3

If a lot of your users don’t have JavaScript enabled, that puts you in a bit of a bind. Many Web designers argue that functionality (i.e. JavaScript) is different from layout (i.e. CSS), and so you should not rely on JavaScript to make pseudo-selectors work in IE8 and earlier. I guess the answer to that question depends on how you view JavaScript. If you find that they improve the readability of your CSS and reduce the need for (non-semantic) classes in your HTML, then it I’d definitely recommend embracing them today. Learn how to create the appearance of a piece of notebook paper using background-size, multiple background images, border-image, background-clip, and @font-face. Is the number of gradients and color stops worth the effect?

CSS3 Transformations and Animations – HTML Goodies

CSS3 Transformations and Animations.

Posted: Thu, 07 Dec 2017 08:00:00 GMT [source]

I’ll use the same notation for naming classes that the W3C uses, where E is the element, n is a number and s is a selector. Learn how to create the appearance of speech bubbles without using any images, just word-wrap, border-radius, HSLA/RGBA, linear-gradient, box-shadow, text-shadow, and transform. Some designs like drop shadows, rounded corners, and gradients find use in just about every web page.

Complex Selectors – Learn to Code Advanced HTML & CSS

Profiles are typically a subset of one or more levels of CSS built for a particular device or user interface. Currently, there are profiles for mobile devices, printers, https://remotemode.net/ and television sets. Profiles should not be confused with media types, which were added in CSS 2. CSS was first proposed by Håkon Wium Lie on 10 October 1994.

  • In addition, CSS3 animations can run without JavaScript or Flash code.
  • Learn when and how to add CSS3 to your web site designs, by working through a series of practical yet eye-catching examples.
  • This method is not as flexible as using pseudo-classes because you have to keep updating the HTML and CSS when the page content changes.
  • CSS3 provides a consistent and precise positioning of navigable elements.
  • Additionally, a proprietary syntax for the non-vendor-prefixed filter property was used in some versions.

CSS modules now have version numbers, or levels, such as CSS Color Module Level 5. Microsoft’s Internet Explorer 3 was released in that year, featuring some limited support for CSS. IE 4 and Netscape 4.x added more support, but it was typically incomplete and had many bugs that prevented CSS from being usefully adopted.

Key resources

” Breaking on the horizon is the dawn of Internet Explorer 9, and Microsoft has made sure that its new browser supports each and every one of the selectors discussed in this article. Unbelievably, Internet Explorer 8 doesn’t support any of these selectors, whereas the latest versions of Chrome, Opera, Safari and Firefox all do. The first line selects every form input that’s not a “Submit” button, which is useful for styling forms. The second selects all input elements that are not enabled; again useful for giving feedback on how to fill in a form. Devsnippet has created a demo in which single images are styled differently from multiple images.

  • Classes and IDs are case-sensitive, start with letters, and can include alphanumeric characters, hyphens, and underscores.
  • CSS gives designers access to many kinds of fonts to make the webpage look nicer.
  • Applies to all elements of class myClass that are inside div elements, whereas .
  • They provide a number of ready-made options for designing and laying out the web page.
  • Cascading Style Sheets lets web designers style elements created with a markup language (typically, that’s HTML).

If you’ve seen any interesting or exciting uses of these selectors out there in the field, do let us know in the comments below. Follow your website’s analytics, and be prepared to make decisions that improve your skills as a Web designer HTML5 and CSS3 Lessons and, more importantly, provide the best experience possible to the majority of users. This is a great way to give feedback on what users can and cannot fill in. You’ll often see this dynamic feature enhanced with JavaScript.


CSS first steps CSS is used to style and layout web pages — for example, to alter the font, color, size, and spacing of your content, split it into multiple columns, or add animations and other decorative features. This module provides a gentle beginning to your path towards CSS mastery with the basics of how it works, what the syntax looks like, and how you can start using it to add styling to HTML.


The goals are ease of development, ease of collaboration during development, and performance of the deployed stylesheets in the browser. Popular methodologies include OOCSS (object-oriented CSS), ACSS , CSS , SMACSS , and BEM . A W3C Community Group has been established in early 2020 in order to discuss and define such a resource. The actual kind of versioning is also up to debate, which means that the document once produced might not be called “CSS4”. Each level of CSS builds upon the last, typically adding new features and typically denoted as CSS 1, CSS 2, CSS 3, and CSS 4.

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