psychedelic neon hippie retro stickers posters. crazy surreal s covers set. weird eyes

70s bright surreal fantasy 1960s hippy hallucination hipster mushroom sticker psychedelic vector esoteric neon hippie poster illustration magic design trippy retro abstract cartoon colorful doodle graphic groovy 1970s trendy vintage crazy acid funny funky fun decorative illusion smile emoji color fungus fashion eye face set peace drawing background element