Classes are used more than once. If you are only overiding for one item use an ID

Ordinary h3

red h3

red and enhanced h3

This is an example of a CSS class. The same class can be assigned to any number of elements. You can assign more than one class to an element by seperating the classes by a space. If you leave out all of the element names and just use a period followed by a classname (see .wordspacing class above) then the rule will apply to all members of the class.

This is an example of the p tag being defined by a class equal to important

This heading is in typewriter text

This paragraph is in typewriter text

I love you so much I have to use italics

This is an example of an element that uses more than one class. (see code example below)