@mixin vh($value: 100, $property: 'height') {
  #{$property}: #{$value}vh;
  #{$property}: #{$value}dvh;
}

@mixin vhCalc($value: 100, $offset: 0, $property: 'height') {
  @if $offset == 0 {
    @include vh($value, $property);
  } @else {
    #{$property}: calc(#{$value}vh + #{$offset});
    #{$property}: calc(#{$value}dvh + #{$offset});
  }
}