diff --git a/assets/css/publications.css b/assets/css/publications.css
index 9e80a7553b54f59762fb097e9ff72ba50eb5a770..b89a4480b559bf4154a033589aa8b52a345135fd 100644
--- a/assets/css/publications.css
+++ b/assets/css/publications.css
@@ -51,12 +51,15 @@ summary {
   text-align: center;
   background: none;
   cursor: pointer;
-  border-right: 4px solid #f7931c;
-  border-left: 4px solid #f7931c;
+  border: 2px solid #f7931c;
+  border-left: 2px solid #f7931c;
   padding: 10px;
+  border-radius: 16px;
 }
 .nav-check:checked ~ .menu-button {
   border-left: none;
+  border-top: none;
+  border-bottom: none;
 }
 .nav-check {
   display: none;