diff --git a/default_environment/stylesheet/main.css b/default_environment/stylesheet/main.css
index a93bd1c..383c8ee 100644
--- a/default_environment/stylesheet/main.css
+++ b/default_environment/stylesheet/main.css
@@ -107,13 +107,13 @@ body {
     }
 
     h2 {
-        font-size: 1.8rem;
+        font-size: 2.3rem;
         font-weight: 600;
     }
 
     h3 {
-        font-size: 1.5rem;
-        font-weight: 500;
+        font-size: 2.1rem;
+        font-weight: 600;
     }
 
     .plain_list {
@@ -163,7 +163,7 @@ body {
 }
 
 .blog_post_title {
-    font-size: 2rem;
+    font-size: 2.5rem;
     font-weight: 700;
     padding-bottom: 1rem;
 }