diff --git a/manage.html b/manage.html
index ab535fad..6c22606f 100644
--- a/manage.html
+++ b/manage.html
@@ -120,6 +120,7 @@
 
 			#header {
 				overflow: auto;
+				height: calc(100vh - 30px)
 			}
 
 			fieldset {