t-shirt a vibrant retro-inspired graphic featuring a sun and sunset

presentation advertising clothing cartoon diagram pattern drawing circle poster banner number brand label font line logo text graphic design summer sunset sun ocean waves retro vintage 70s 80s typography apparel t-shirt sticker poster print cool protected vibrant colorful playful positive fashion trendy summer vibes branding merchandise slogan motivational aesthetic graphic design trendy retro vacation travel beach colorful element bold font pattern vintage style