80s retro sci-fi palm trees on a sunset. retro futuristic sun with palm trees in a triangular frame. synthwave style. for

80s outline scifi trendy palm tree poster tropic silhouette advertising futuristic frame emblem party future flyer graphic hawaii paradise california print label 90s sunrise miami striped tshirt sun border retro tropical vintage triangle art shape sunset vector design banner geometric style gradient circle symbol summer synthwave retrowave beach template