Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.0)
// Compass (v1.0.0.alpha.18)
// ----

$admin-menu-b:(
  menu: (
   content:\f333,
   top: 3px
  ),
  admin-site:(
   content:\f319,
  ),
  dashboard:(
   content:\f226,
   top: 3px
  ),
);

/* Admin Menu Icons */
@each $dashicons, $icon in $admin-menu-b {
  .dashicons-#{$dashicons}:before {
    content: '#{map-get(map-get($admin-menu-b, $dashicons), content)}';
    top: map-get(map-get($admin-menu-b, $dashicons), top);
  }
}

SassMeister-output.css

/* Admin Menu Icons */
.dashicons-menu:before {
  content: "\f333";
  top: 3px;
}

.dashicons-admin-site:before {
  content: "\f319";
}

.dashicons-dashboard:before {
  content: "\f226";
  top: 3px;
}