is used to increase or decrease how bold or light a font appears

The font property is used as shorthand to specify a number of other font properties.

The font property is a shorthand property for

is used to add or subtract space between the letters that make up a word

is used to add or subtract space between the words of a sentence.

is used to set the text direction

is used to set the color of a text

is used to indent the text of a paragraph

is used to capitalize text or convert text to uppercase or lowercase letters

is used to underline, overline, and strikethrough text

is used to align the text of a document.

is used to control the flow and formatting of text

is used to set the text shadow around a text

-moz-opacity is used to set the opacity of an image.

signifies an element that currently has the user's mouse pointer hovering over it

signifies an element on which the user is currently clicking

signifies visited hyperlinks

signifies unvisited hyperlinks

a:hover MUST come after a:link and a:visited in the CSS definition in order to be effective. Also, a:active MUST come after a:hover in the CSS definition as follows

The border-collapse specifies whether the browser should control the appearance of the adjacent borders that touch each other or whether each cell should maintain its style

The border-spacing specifies the width that should appear between table cells.