RUMULI is a collection of HTML and CSS scroll down icon animations which you can use on your website's landing page, on your apps or any other place you need to signal your visitors / users that they should scroll down.
RUMULI is an Open Source project, so you can use any of it's animations where ever you want. Using the RUMULI animations is really simple. You just need to follow these steps:
From the animations above click on the one you like
On GitHub's RUMULI page, copy the animation's HTML and CSS code
Paste it into your own code and tweek it to your liking.