diff --git a/stylesheets/application.scss b/stylesheets/application.scss
index 1fbe049..201b691 100644
--- a/stylesheets/application.scss
+++ b/stylesheets/application.scss
@@ -451,6 +451,19 @@ div.journal ul.details {
 	display: none;
 }
 
+/* popup when linking issues */
+.ui-widget-content .ui-state-active {
+  font-weight: normal;
+  background: inherit;
+  color: inherit;
+  font-size: inherit;
+  border-color: transparent;
+}
+
+.ui-menu .ui-menu-item:hover {
+  border: none;
+}
+
 /* syntax highlighting */
 
 .syntaxhl {