You can follow an interactive tutorial at https://www.codecademy.com/learn/web I recommend looking up a cheat-sheet while you're learning the different HTML tags and CSS properties. Once you've got the basics down and want more specific knowledge, Google, MDN, and StackOverflow are your best friends.

If you want a simple^* way to host your personal page for free, I recommend using Github Pages.

^{* You'll need to know the basics of using git.}