21.   So popular has this long-unpopular beard style become that its renegade image may be going the way of outright trendy.

22.   So many different styles could become a mishmash.

23.   So style becomes a limitation, a sort of golden cage, in which you worry about being recognized.

24.   Style will become substance.

25.   The new style soon became the only style.

26.   Their disciplinary styles became more arbitrary and punitive.

27.   There is, however, one work of art in which the singular Wildean style becomes its own end, without one inappropriate detail to mar its surface perfection.

28.   This time, style became secondary.

29.   Though a Valley friend from college suggests his style has become more sophisticated, Alexie says simply that he hopes his work has gotten better as he has matured.

30.   Under the new British designers, French style may become an extinct concept.