add sass helpers
--- /dev/null
+++ b/style/helpers.scss
@@ -1,1 +1,22 @@
+// Exponent
+// From: https://github.com/Team-Sass/Sassy-math/blob/master/sass/math.scss#L36
+@function exponent($base, $exponent) {
+ // reset value
+ $value: $base;
+ // positive intergers get multiplied
+ @if $exponent > 1 {
+ @for $i from 2 through $exponent {
+ $value: $value * $base; } }
+ // negitive intergers get divided. A number divided by itself is 1
+ @if $exponent < 1 {
+ @for $i from 0 through -$exponent {
+ $value: $value / $base; } }
+ // return the last value written
+ @return $value;
+}
+
+@function pow($base, $exponent) {
+ @return exponent($base, $exponent);
+}
+