diff --git a/src/scss/_config.scss b/src/scss/_config.scss
index cb2f24d..90bbff2 100644
--- a/src/scss/_config.scss
+++ b/src/scss/_config.scss
@@ -163,9 +163,9 @@ $stalfos-config: (
   'width': (
     'items': (
       'full': '100%',
-      'half': percentage(1/2),
-      'quarter': percentage(1/4),
-      'third': percentage(1/3)
+      'half': percentage(0.5),
+      'quarter': percentage(0.25),
+      'third': percentage(0.33)
     ),
     'output': 'responsive',
     'property': 'width'
diff --git a/src/scss/_typography.scss b/src/scss/_typography.scss
index 9fac5b7..4bccc8e 100644
--- a/src/scss/_typography.scss
+++ b/src/scss/_typography.scss
@@ -61,7 +61,7 @@ body {
   @include apply-utility('font', 'base');
 
   // Strip the unit off the size ratio to generate a line height
-  line-height: $line-height / ($line-height * 0 + 1);
+  line-height: calc($line-height / 1);
 }
 
 h1,