programming quiz 2

ID

#

unique

multiple cannot be defined together (we cannot use 1 to identify several things)

class

.

not unique

can be defined together

right/r

positive numbers shift images right or left?

left/l

negative numbers shift images right or left?

cascading style sheets

CSS

external CSS

written in an outside document (lowest priority)

internal CSS

written in style tag inside head

inline CSS

written within the tag in body (highest priority)