IDs and Classes

Front

An element having the ID attribute of "green"

Back

can be used only once in an HTML page

Front

The CSS symbol for a class is

Back

a period

Front

The CSS symbol for an ID is

Back

#

Front

To add a class of "green" to a div element

Back

Front

To make a series of block-level elements display side-by-side instead of vertically

Back

display: inline-block;