Answer: 1970's style is characterised by clashing colours and loud prints, such as leopard paw.
Step-by-step explanation:
There shouldn't be an apostrophe in the word "colour" or "prints" mainly because they don't own anything.
"The apostrophe is used to indicate possessive case, contractions, and omitted letters. The apostrophe is not strictly a punctuation mark, but more a part of a word to indicate possessive case, contractions, or omitted letters." -G0ogle