None Keep the background clean and minimal. Particles Soft floating particles across the page. Matrix Digital rain effect for a cyber feel. Shooting Stars Fast streaks that move across the background. Snow Slow falling snow for a calmer look. Rain Glassy rain streaks and droplets over the page. Aurora Soft neon bands drifting across the background. Fireflies Small glowing lights floating around the page. Embers Warm sparks rising upward for a darker vibe. Fog Soft drifting haze layered over the page. Lightning Subtle storm flashes for a darker dramatic look. Starscape A dense field of glowing stars with gentle depth. Bubbles Transparent bubbles floating upward slowly. Laser Grid Animated neon lines with a cyber grid look. Petals Soft petals drifting across the page. Galaxy Nebula clouds with layered glowing stars.