// Used primarily with font mixins.
@mixin font-feature-settings($type: 'kern') {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: '#{$type}';
  -webkit-font-feature-settings: '#{$type}';
  -moz-font-feature-settings: '#{$type}';
  -moz-font-feature-settings: '#{$type}=1';
}