It is an era. Any period of time would be considered and era and whatever you name it would be capitalized
Am I supposed to care what the kids at a little old place like Wilson School wear?" (The Egypt Girls, page 39)
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"But a bright and beautiful blur, no matter how distant, was better than a reality that was dull and gray." (The Egypt Girls, page 51)</span>
Answer:
she spends a lot of time in front of the mirror playing with her hair
