Let It Snow... on any page with CSS3 transforms and transitions in modern browsers.
http://cople.github.io/Snowfall.js/
var snow = new Snowfall();
or
var snow = new Snowfall({
type: "image",
conetnt: ["img/flake1.png", "img/flake2.png"],
maxSize: 40
});
snow.config({/* options */});
snow.play();
snow.stop();
var defaultOptions = {
minSize: 10,
maxSize: 30,
type: "text",
content: "❄",
fadeOut: true,
autoplay: true,
interval: 200
};