This appendix lists CSS properties and values. In many cases, properties have specific values, which are listed in full. However, some values are common across many properties. These values are outlined in Table D.1, and in Table D.2 these values are shown in italics. The end of the appendix includes information on basic selectors, pseudo-classes, pseudo-elements, CSS boilerplates, and CSS management.
The CSS box model
In CSS, every element is considered to be within its own box, and you can define the dimensions of the content and then add padding, a border, and a margin to each edge as required, as shown in the following ...