diff --git a/_sass/addon/commons.scss b/_sass/addon/commons.scss
index 71925af..1901a65 100644
--- a/_sass/addon/commons.scss
+++ b/_sass/addon/commons.scss
@@ -48,7 +48,7 @@ body {
 h1 {
   @extend %heading;
 
-  font-size: 1.8rem;
+  font-size: 1.9rem;
 }
 
 h2 {
@@ -56,7 +56,7 @@ h2 {
   @extend %section;
   @extend %anchor;
 
-  font-size: 1.4rem;
+  font-size: 1.5rem;
 }
 
 h3 {
@@ -64,7 +64,7 @@ h3 {
   @extend %section;
   @extend %anchor;
 
-  font-size: 1.25rem;
+  font-size: 1.2rem;
 }
 
 h4 {
@@ -362,7 +362,7 @@ img[data-src] {
 .post {
   h1 {
     margin-top: 3rem;
-    margin-bottom: 1rem;
+    margin-bottom: 1.5rem;
   }
 
   a {