Graphics
CSS animations

https://www.w3schools.com/css/css3_animations.asp
Read More CSS animationsOpen Graphicss

I can access free clipart and other graphics, there are a plethora
I would like to provide customers with a styled library and offer to modify those files as a service
SVG files are easy to adapt
.svg files can contain animation
There are plugins and there are safety measures such as only allowing admins to load .svg
There is a useful plugin
Read More Open Graphicss