need help with css importing

i have the css files js files and stuff i wanna use on my site

That sounds like basic HTML knowledge and not something specific to InfinityFree. You can find thousands of articles online explaining how to do that.

well is there a link to use the css files on infinity

@pikachutrainer said:
well is there a link to use the css files on infinity

Using CSS files is part of HTML. Any HTML or CSS tutorial will do: https://www.w3schools.com/css/css_howto.asp

As long as your HTML is correct and you’re using the right URLs for the CSS files, which hosting you use doesn’t matter.