diff --git a/style.css b/style.css
index 1ab23f9..b1e8e59 100644
--- a/style.css
+++ b/style.css
@@ -115,6 +115,7 @@ html {
 }
 
 .ps-page--section {
+  border: 12px solid black;
   margin-top: 10vh;
   margin-bottom: 10vh;
   padding: 5vw;