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 (16 chapters)
15
Index

CSS elements positioning

Understanding of positions in CSS is one of the key skills of frontend developers. It helps you to change the behavior of each element on a web page. Additionally, with a mix of positions, you can change the behavior of the inner (child) elements.

Static, relative, absolute, fixed – differences

The position static is a default value of the position, which includes every element on a web page.

The position relative is making an element relative to itself. You can easily understand it with the following code:

<p>
    Lorem
    <span> ipsum</span>
</p>

And create the SASS:

span
  position: relative
  top: -10px

What you should see before appending the styles is as shown in the following:

Static, relative, absolute, fixed – differences

In addition, after appending the styles you will see the following:

Static, relative, absolute, fixed – differences

As you can see, when we change the position to relative and move it with property top, left, right, or bottom, we will move the element from its current position.

Additionally, relatively positioned...