Correct CSS code to set an element to have sans serif font that is one and a half times larger than the current font size

Style="font-family:Arial, Helvetica, sans-serif; font-size:1.5em"

What "middle" value for the "vertical-align" property is based on

Line's x-height

Hex code for magenta

#FF00FF

RGB code that will produce a medium gray

rgb(128, 128, 128)

Purpose of a div

group elements, change the styling of multiple contained elements, add a background color or image to a web page section

True for IDs and classes

A particular ID can only be used once per page, while a class can be used multiple times

Style that will add the image "bullet.png" as a list's label

list-style-image:url('bullet.png')

Code that will remove space from between a table's cells

able { border-collapse:collapse }