@mixin headings($value) {
  @each $name, $size in $value {
    %#{$name} {
      font-size: rem-calc($size);
      font-weight: 400;
    }
  }
}

@mixin paragraphs($value) {
  @each $size in $value {
    %paragraph-#{$size} {
      font-size: rem-calc($size);
    }
  }
}