Summary 4

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The box model is necessary to know.

Margins are the space outside of the box. Padding pushes inside of the box. Both of these can be adjusted on individual sides of the box. The border can be altered by changing the width, style, or color.

Floating and clearing organizes the layout of a page.

An element follows the natural flow of the document unless it has been defined to float. Text can be made to flow around an image with their method. It also helps elements to be arranged side-by-side.

Defining the position is very helpful in CSS.

Like float, position can help move an element from where it normally would appear in a document. Position can be defined as static, relative, absolute, or fixed. These positions are often measures by pixels.