censored 0, 3, 6, 12, 18, 21 plus sign limit concept. age restrictions, censorship. neon style. stock

18 21 neon legal smoking age under limit underage symbol censored sign icon illustration vector prohibition isolated content warning forbidden restriction eighteen no control 16 graphic adult label restricted year 12 red over only circle plus movie old button years law information 14 round censorship web set shape background access