Chapter 8CSS Positioning Basics
In this chapter, we will look in further depth at some of the vital
concepts when positioning page elements using CSS. If you’re reading this
book chapter by chapter, you’ll already have come across some of these
concepts used in the examples. Here we’ll take a proper look at them, and
see how they can be used in combination to layout our pages and
How do I decide when to use a class and when to use an ID?
At first glance, classes and IDs seem to be used in much the
same way: you can assign CSS properties to both classes and IDs, and apply
them to change the way HTML elements look. But in which circumstances are
classes and IDs best applied?
The most important rule where classes and IDs ...