diff --git a/assets/main.css b/assets/main.css
index 95febbb..23f52cb 100644
--- a/assets/main.css
+++ b/assets/main.css
@@ -106,6 +106,11 @@ ul {
     margin: 0;
 }
 
+#post-content {
+    border-bottom: 1px solid #666;
+    margin-bottom: 2rem;
+}
+
 #post-content ul {
     margin-left: 1em;
 }