Each codec is stored within a file called a(n) ____ file.

A layout for a mobile device is typically based on a _____ grid.

The ____ attribute creates blank space between the div element and elements nested inside it.

The ______ element is used to mark general text-level content.

Web pages are viewed using a web ____.

An applet is displayed as an embedded object on your web page in an applet ____.

Use the _______ attribute on a video element to display user controls for the video player.