In fashion, the Reverse adoption theory, or Trickle-Up theory, states that fashion styles begin with youth, street fashion from low income groups. The innovation then moves progressively up the fashion ladder, and a designer can use it in their collections and the styles can be adopted by more traditional consumers to the more elder and upper-income groups. In the case of the Peasant collection by Saint Laurent, he took a very traditional look from the peasants and gypsies in europe and turned it into a fashion trend.
While you can refuse a field sobriety test on the road, it is a crime to refuse a blood, urine, or breath test done at the police station or hospital. So no
No, an artist's job is to create not copy. Making their PERSONAL website means they should personalize it to be THEIR ART. Why show off someone else's art when it's THEIR PERSONAL WEBSITE. The artist is showing their own work on the website so they should make their own template. The answer is no they should use their own template.