Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.5)
// Compass (v1.0.0.alpha.18)
// ----

$social-icons: 
  (facebook, \e600, #fff, b, c),
  (twitter, \e601),
  (pinterest, \e602),
  (instagram, \e603),
  (email, \e403);
  
@each $iconName3, $code, $a, $b in $social-icons {
    .icon-#{$iconName3}:before {
        content: $code;
        background: $a;
    }
}

SassMeister-output.css

.icon-facebook:before {
  content: \e600;
  background: white;
}

.icon-twitter:before {
  content: \e601;
}

.icon-pinterest:before {
  content: \e602;
}

.icon-instagram:before {
  content: \e603;
}

.icon-email:before {
  content: \e403;
}