vintage fitness-themed collage with two women in neon workout gear standing on retro tv, set against colorful, bold

90s retro poster aesthetic vibrant fitness neon colors tv nostalgia collage workout gear vintage style bright nostalgic contemporary art illustration old fashion technology design banner culture youth classic effect grainy moodboard oldfashioned retrotheme throwback 2000s abstract digital creative color graphic hipster colorful modern magazine futuristic virtual pop y2k