.social-links {
  [href*="facebook.com"] {
    @extend .fa, .fa-facebook;
  }
  [href*="twitter.com"] {
    @extend .fa, .fa-twitter;
  }
  [href*="codepen.io"] {
    @extend .fa, .fa-codepen;
  }
  [href*="linkedin.com"] {
    @extend .fa, .fa-linkedin;
  }
  [href^="/feed"] {
    @extend .fa, .fa-rss;
  }
  [href^="mailto:"] {
    @extend .fa, .fa-envelope;
  }
  [href*="plus.google.com"] {
    @extend .fa, .fa-google-plus;
  }
  [href*="github.com"] {
    @extend .fa, .fa-github;
  }
}
.social-links {
  [href*="facebook.com"] {
    @extend .fa, .fa-facebook;
  }
  [href*="twitter.com"] {
    @extend .fa, .fa-twitter;
  }
  [href*="codepen.io"] {
    @extend .fa, .fa-codepen;
  }
  [href*="linkedin.com"] {
    @extend .fa, .fa-linkedin;
  }
  [href^="/feed"], [href*="feeds.feedburner.com"] {
    @extend .fa, .fa-rss;
  }
  [href^="mailto:"] {
    @extend .fa, .fa-envelope;
  }
  [href*="plus.google.com"] {
    @extend .fa, .fa-google-plus;
  }
  [href*="github.com"] {
    @extend .fa, .fa-github;
  }
}
Add icon for feed burner
Add icon for feed burner
