Adaptado do original: Bouncing Particles are not complicated. -https://codepen.io/Godje/post/bouncing-particles-tutorial  Godje Follow | Godje’s Posts DEC 7, 2017 34 lines of JS is enough… I have seen this background animation many times all over CodePen and internet in general. It is pleasent to spectate and is not distracting when the user is busy dealing with other features of the app/website. […]