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a Web page containing an outline of the entire Web site and its content
Unsolicited junk e-mail.
a diagram of a Web site's structure, showing all the pages in the site and indicating how they are linked together
descriptive text that appears when a user positions the mouse pointer over a link
red, green, blue
number expressed base 16 rather than base 10
fonts without little "feet"
fonts with decorative "feet"
represents a single dot on an output device
(dots per inch) usually referring to monitor resolution or size of a picture
the space between words or phrases
the space between actual letters
the space between the lines of text
graphics interchange format; the most widely used type of image on the web
joint photographic experts group; differs from a GIF in several ways
Portable Network Graphics, a graphics file format.
a translucent graphic impressed into the very fabric of paper or specialized stationery; in web design the effect can be created
used if you want users to be able to see the image as it loads
the most common, the image is saved one line at a time, starting
elements that are not part of the document tree, but abstracted from what we know of an element's content
enables you to place an element at specific coordinates
used to move an element relative to its default position on the page
fixed and inherited positioning
scrolls with the rest of the page