How browsers calculate the width and height dimensions of a display box
Which properties can control the dimensions of a box
What browsers will do if a box’s content exceeds the dimensions of the box, and how you can control the result with CSS
How to reposition a box from its original location, using relative positioning and the four offset properties
When laying out a page, it’s not always enough to specify only where content should be placed, as you can do with the
float property (or the positioning properties, which you’ll learn about in this hour and the next). To create effective layouts, you need to set the size of display boxes. ...