diff --git a/src/_h5ai/client/css/inc/sidebar.less b/src/_h5ai/client/css/inc/sidebar.less
index 655559d1..b3dfb582 100644
--- a/src/_h5ai/client/css/inc/sidebar.less
+++ b/src/_h5ai/client/css/inc/sidebar.less
@@ -51,7 +51,7 @@
         overflow: hidden;
         border-radius: 2px;
         outline: 0;
-        width: 142px;
+        width: 160px;
         margin: 4px;
         line-height: 48px;
     }
@@ -76,19 +76,20 @@
    }
 
     select {
-        width: 172px;
+        width: 182px;
         padding: 0 8px;
+        height: 48px;
         line-height: 48px;
     }
 
     input[type='range'] {
         border-radius: 2px;
-        width: 142px;
+        width: 144px;
         margin: 4px;
         padding: 8px;
         vertical-align: middle;
-        height: 30px;
-        line-height: 30px;
+        height: 32px;
+        line-height: 32px;
     }
 
     .range-track() {