diff --git a/themes/mytheme/assets/css/common/post-single.css b/themes/mytheme/assets/css/common/post-single.css
index cf79460..2d5df4c 100644
--- a/themes/mytheme/assets/css/common/post-single.css
+++ b/themes/mytheme/assets/css/common/post-single.css
@@ -34,7 +34,7 @@
 }
 
 .post-content {
-    font-size: 16px;
+    font-size: 15.5px;
     font-family: inherit;
     color: var(--content);
 }