Make Font Awesome icons in a circle?

Question

I am using font awesome on some project but I have some things that I want to do with font awesome icons, I can easily call an icon like this:

Answer 1

This is the best and most precise solution I've found so far.

CSS:

.social .fa {
      margin-right: 1rem;
      border: 2px #fff solid;
      border-radius: 50%;
      height: 20px;
      width: 20px;
      line-height: 20px;
      text-align: center;
      padding: 0.5rem;
    }