Answer:

mods

Answer	Crossword Clue
MODS	Austin Powers types
MODS	Xbox alterations
MODS	Stylish Brits of the '60s

MODS	Hip '60s types
MODS	Stylish '60s Brits
MODS	Style leaders
MODS	British teenagers of the '60s
MODS	Stylish British teens in the '60s
MODS	Twiggy look-alikes, e.g.
MODS	Changes, informally
MODS	Hip '60s Brits

MODS	Some young '60s Brits
MODS	Trendsetters
MODS	Fashionable '60s Brits
MODS	Hip Brits, in the '60s
MODS	Qualifying examination: Oxford slang.
MODS	Annual music festivals in Scotland.
MODS	English teen-agers.
MODS	Younger set, British style.

MODS	London style-setters.
MODS	Youth group, British style.
MODS	Rockers' rivals.
MODS	Today's British youth.
MODS	Youth group.
MODS	Britain's youth.
MODS	Today's youth.
MODS	In-people

MODS	Soho swingers
MODS	Today's youth
MODS	English youth gangs, Rockers and ...
MODS	British hippies
MODS	British Teddy boys
MODS	60's British teens
MODS	60's teens
MODS	Fashionable dressers

MODS	Up-to-date dressers
MODS	Fashionable group
MODS	Carnaby Street types
MODS	Adjustments, informally
MODS	Some '60s hipsters