acid posters. psychedelic rave abstract collage with retrofuturistic trippy surreal s, creative funky

graphic acid party abstract hippie trippy style 90s 70s rave pary bright creative vector poster design print psychedelic techno trendy illustration surreal trip 80s flyer wave colorful template neon music disco futuristic cartoon artwork background cool fashion pattern lettering hipster card effect set banner event funky element placard human