Particulas

by Lazaro Contreras

CSS

html {
  background: black;
  overflow: hidden;
}

.particula {
  position: absolute;
  display: block;
  top: 0;
  left: 0;
  opacity: 1;
  transition: 2s all;
  /*duracion de la animacion*/
  z-index: -1000;
}

JavaScript

var a = class {
  constructor(alto, ancho) {
    this.alto = alto;
    this.ancho = ancho;
  }
}