// https://stackoverflow.com/a/30250161
@mixin not($ignor-list...) {
  @if (length($ignor-list) == 1) {
    $ignor-list: nth($ignor-list, 1);
  }

  $not-output: '';

  @each $not in $ignor-list {
    $not-output: $not-output + ':not(#{$not})'; // stylelint-disable-line scss/no-duplicate-dollar-variables
  }

  &#{$not-output} {
    @content;
  }
}