Other comments have already suggested guides for creating a simple static HTML site with light CSS & JS, whereas so many other comments are suggesting absurdly more than necessary.
The one thing I haven't seen mentioned and would recommend exploring for OP's use case is: Github Pages. This would probably be perfect for serving the type of site they're describing and would eliminate numerous layers of complexity. https://pages.github.com/
The one thing I haven't seen mentioned and would recommend exploring for OP's use case is: Github Pages. This would probably be perfect for serving the type of site they're describing and would eliminate numerous layers of complexity. https://pages.github.com/