In CSS, z-index is used to do what?

When using the <FORM> tag, which method does not reveal values in the URL?

In a CSS Stylesheet, the commands or styles for each ID and Class are called:

Responsive typography generally uses what unit of measurement to scale up and down

A URL redirect is:

Sprites are

The height of a horizontal rule is measured in ____.

Option buttons are sometimes called ____ buttons.

For designing the layout of a web page, ____ are commonly used when designing animated components.

____ is the default format for a new email messageefault format for a new email message.

____ browsing allows you to open multiple web pages at one time.