// https://css-tricks.com/snippets/sass/strip-unit-function/
// calculates the relative font size in relation to the body font-size
@function calculate-rem($size) {
    // divide the size by the root (body) font size to get the relative size
    $rem-size: $size / $font-root-size;

    // You have to multiply by 1rem to convert it to the right unit, in this case rem
    @return $rem-size * 1rem;
}

// https://css-tricks.com/snippets/sass/strip-unit-function/
@function strip-unit($number) {
    @if type-of($number) == 'number' and not unitless($number) {
        @return $number / ($number * 0 + 1);
    }

    @return $number;
}

// https: //css-tricks.com/snippets/sass/deep-getset-maps/
@function map-deep-get($map, $keys...) {
    @each $key in $keys {
        $map: map-get($map, $key);
    }

    @return $map;
}