// generates:
// .mui-key-width-1  { @include mui-keywidth(1); }
// .mui-key-height-1  { @include mui-keyheight(1); }
// for 10 classes
@mixin mui-generate($num) {
  @for $i from 1 to $num {
    .mui-key-height-#{$i} {
      height: ($i * $desktop-keyline-increment);
    }

    .mui-key-width-#{$i} {
      width: ($i * $desktop-keyline-increment);
    }
  }
}

@include mui-generate(10);