CSS id and class

The CSS symbol for a class is

• a period

• an octathorpe

• #

• a comma

The CSS symbol for an ID is

• :

• ;

• .

• #

To add a class of "green" to a h3 element

• <h3 id="green"></h3>

• <h3 class="green"></h3>

• <h3></h3 class="green">

• <h3>class="green"</h3>

Each id can only be used once.

• True

• False

Selector by tag allows you to style the entire document.

• True

• False

Class and id allow you to select multiple elements.

• True

• False