diff --git a/src/_h5ai/client/css/inc/topbar.less b/src/_h5ai/client/css/inc/topbar.less
index 3c5eae01..048f0959 100644
--- a/src/_h5ai/client/css/inc/topbar.less
+++ b/src/_h5ai/client/css/inc/topbar.less
@@ -3,7 +3,7 @@
 	position: fixed;
 	z-index: 5;
 	width: 100%;
-	height: 30px;
+	min-height: 30px;
 	left: 0;
 	top: 0;
 	.vert-gradient(rgb(241,241,241), rgb(228,228,228));