Here is a list of beautiful particle backgrounds created with CSS only.
You may also like
CSS particle style animation.
Dev: John
Random particles animation
Dev: Rémi Denimal
CSS Particles
Dev: Paul
Galaxy css particles
Dev: ian gonza
CSS particles animation
Dev: Noel C
Particles CSS
Dev: Jasenko
CSS Particles
Dev: Dronca Raul
Only CSS: Particles
Dev: Yusuke Nakaya
Only CSS: Particles
Dev: Yusuke Nakaya
CSS Particles
Dev: Alexi Taylor
CSS Particles
Dev: Paolo Duzioni
CSS Particles
Dev: Giana
CSS only particle system
Dev: Robin Selmer
CSS Particle animation
Dev: Cleopatra VII
Pure CSS Particle Animation
Dev: Alina
CSS Particle Animation (no JavaScript)
Dev: Takeshi Kano
CSS Particle Animation
Dev: Nate Wiley