Użyj zacisków w SCSS

@mixin square-size($size, $min: $size, $max: $size) {
  /* $clamp-size: min(max($size, $min), $max); */
  $clamp-size: MIN(MAX(#{$size}, #{$min}), #{$max});
  width: $clamp-size;
  height: $clamp-size;
}
Bewildered Butterfly