materio-d8/web/themes/custom/materiotheme/assets/styles/base/_responsive.scss

// iphone 6/7/8
@mixin responsive-mediaquery-phone() {
  @media (max-width: 375px) {
    @content;
  }
}


@mixin responsive-mediaquery-desktop() {
  @media (min-width: 1080px) {
    @content;
  }
}