summer vibe in gradient pink orange yellow green panoramic banner. vivid neon in striped s

summer vibe gradient pink orange yellow green panoramic banner vivid neon striped shapes psychedelic disco tech synth wave vapor cyberpunk rave techno abstract backdrop calm card desktop energy geometric gradient green line lines motion multicolored nature parallel pattern pink poster rainbow shape spirit splash splashed splatter splattered spring stain striped stripes stroke style summer surface sweet texture vertical vintage vivid wallpaper wash watercolor watermelon website yellow young