diff --git a/assets/css/src/callout.css b/assets/css/src/callout.css
index 46ff74c..a861127 100644
--- a/assets/css/src/callout.css
+++ b/assets/css/src/callout.css
@@ -4,6 +4,8 @@ section.callout {
   display: flex;
   flex-direction: column;
   align-items: center;
+  border-top: var(--border);
+  border-bottom: var(--border);
 }
 
 section.callout h4 {