prezto

I am currently using Zsh + Prezto for my scripting shell configuration. I have been using the sorin theme but am a little dissatisfied with it. I'd like to switch to the paradox theme! It is supposed to look like this: I'm having some trouble doing that. When I switch to the theme, the symbols aren't able to load, so I get a prompt that looks like this: Notice the boxed question marks where there should be an edge border for the background or a branch symbol for the git branch. (Take a look at the paradox theme preview here ). I've seen here that I should install Powerline patched fonts for