In native bubble you can do some animations but let’s be honest it will not be very waow. Just the basics.
To go further you’ll need plugins or CSS, or both.
If you are interested in native bubble animations, I’ve gathered this page which displays all animations available and their names, and a preview. Here Bubble | No-code apps
To animate a thing, you’ll need a workflow that is triggered by something (example : when page is loaded), and then you can access the “animate” function.