Vertical Auto-scrolling Of A List Group

I am trying to create auto-scroll a list, an exact replica of the list found at the right side of this website, you need to scroll down a bit, i found an answer here but i observe

Solution 1:

If you will look at the code on website you're referring to, you will spot that they use Obsolete<marquee> tag. So if you don't want to use this unrecommended way to achieve your goal, you might consider Javascript solutions, like this:

Javascript Marquee to replace <marquee> tags

Of course, you still can use CSS hacks to do it, for example@keyframes animations, but I'd consider this as a bad code, and I'm not sure if it's better than using outdated HTML tags.