Learn:

• To create a new layout, adapt something that already works.

• Be careful when combining pieces to make a CSS selector. Commas and spaces are different.

Learn that:

• Floating an element takes it out of normal flow.
• Floated elements move left or right. Other elements wrap around them.
• The clear property lets you control whether things are allowed to float to the left or right of an element.
• By default, floated elements take just enough space to show them.

Learn:

• What the box model is, and how to use it.

• How to set margin and padding defaults.

• How CSS overrides work.

• How containership affects layout.

A Web site’s framework is a skeleton that helps it meet its goals.

The main parts of a framework are information architecture, page layout, and look and feel.