Got it 🤖

Shouldn’t the second line be r²y = ln(x/m - sa)?

Depending on your use-case, maybe a static site generator could work for you? Something like Jekyll or Hugo. Both can be hosted for free on Github Pages (and I think Gitlab has something similar). While you still need some technical know-how in order to set it up, you can write your content in Markdown, which is a lot easier to write than HTML, and there are a lot of themes available out there you can use, so no need for CSS.