Identify the Letter of the Choice That Best Matches the Phrase

Identify the letter of the choice that best matches the phrase or definition.
-A property that determines whether an image scrolls with the cursor

A) cascade
B) breathing room
C) tiling
D) link
E) external style sheet
F) float
G) hexadecimal
H) none
I) bottom right
J) repeat-x
K) background-attachment
L) thin