diff --git a/src/scss/_base.scss b/src/scss/_base.scss
index 6d9dc39..527d18f 100644
--- a/src/scss/_base.scss
+++ b/src/scss/_base.scss
@@ -62,25 +62,25 @@ h6 {
 
 h1 {
 	font-size: 2em;
-	margin-bottom: 1.6rem;
+	@include margin-b(1);
 	@include font-title(semi-bold);
 }
 
 h2 {
 	font-size: 1.6em;
-	margin-bottom: 1.6rem;
+	@include margin-b(1);
 	@include font-title(semi-bold);
 }
 
 h3 {
 	font-size: 1.4em;
-	margin-bottom: 1.6rem;
+	@include margin-b(1);
 	@include font-title(semi-bold);
 }
 
 h4, h5, h6 {
 	opacity: 0.8;
-	margin-bottom: 0.8rem;
+	@include margin-b(0.5);
 }
 
 h4 {
@@ -97,7 +97,7 @@ h6 {
 }
 
 p {
-	margin-bottom: 1.6rem;
+	@include margin-b(1);
 }
 
 a,