With program I can use in my computer to start building my own website? That won't have any problems with css

Answer 1

Try Brakets, this programm is free and have a lot of good functions. My favorite is live prevew, so you can code and see the changes at the same time in your browser window.

Answer 2

I use Dreamweaver. It's very user friendly.

Answer 3

Sublime Text or Atom