Book Image

Professional CSS3

By : Piotr Sikora
Book Image

Professional CSS3

By: Piotr Sikora

Overview of this book

CSS is the preferred technology to design modern web pages. Although CSS is often perceived as a simple language, applying modern styles to web pages with CSS and maintaining the code for larger websites can be quite tricky. We will take you right from understanding CSS to designing high-quality web pages in CSS3. We'll quickly take you through CSS3's features, and show you how to resolve common issues so you can build your basic framework. Finally, you will learn about code architecture and CSS methodologies used in scalable apps and you'll explore the various new features of CSS3, such as FlexBox, to help you create the most modern layout methodologies. By the end of the book, you will be a master at creating pure CSS web pages and will know sophisticated web design techniques, giving you an edge over other web designers.
Table of Contents (21 chapters)
Professional CSS3
About the Author
About the Reviewer


Pseudoclasses are used in CSS to describe elements, behavior after specific actions. Actions supported by pseudoclasses are as follows:

  • Mouse hover

  • Mouse click/touch

  • Input focus

Another use of pseudoclasses is matching elements in a specific container described by the order in this container:

  • First child, last child

  • Any child

  • Any child of type

The most important feature of pseudoclasses you can see on links (<a> elements with href attribute).

How can we check :active, :hover state?

Hover state can be checked whenever you move your mouse pointer over the link. The easiest use of this property can be checked with the following code:


<a href="#"> Title of link</a>


  color: #000
  background: #fff

  color: #fff
  background: #000

Generated CSS code:

a {
    color: #000;
    background: #fff;

a:hover {
    color: #fff;
    background: #000;

With the preceding code, whenever you hover the mouse over the link, the color and background of the link will...