Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.6)
// Compass (v1.0.0.alpha.18)
// ----

$account-icon: "data:image/svg+xml;base64,PHN2ZyB4bWxucz0nYxMnoiLz48L3N2Zz4=";
$accounts-icon: "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iDE5IDIwIjL3N2Zz4=";

$icons: (
  account-icon: $account-icon,
  accounts-icon: $accounts-icon
);

@each $name, $datauri in $icons {
  %#{$name} {
    background-image: url($datauri);
  }
}

.item-1 {
  @extend %account-icon;
}

.item-2 {
  @extend %account-icon;
}

.item-3 {
  @extend %account-icon;
}

.item-4 {
  @extend %accounts-icon;
}

SassMeister-output.css

.item-1, .item-2, .item-3 {
  background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0nYxMnoiLz48L3N2Zz4=");
}

.item-4 {
  background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iDE5IDIwIjL3N2Zz4=");
}