diff --git a/src/_h5ai/client/css/inc/sidebar.less b/src/_h5ai/client/css/inc/sidebar.less
index 48418a83..655559d1 100644
--- a/src/_h5ai/client/css/inc/sidebar.less
+++ b/src/_h5ai/client/css/inc/sidebar.less
@@ -1,11 +1,11 @@
 
 #sidebar {
-    .card();
     display: none;
     overflow: auto;
     flex: 0 0 auto;
     order: 0;
     background: #fafafa;
+    border-right: 1px solid rgba(0,0,0,0.08);
 }
 
 #settings {
@@ -28,17 +28,13 @@
         border-radius: 2px;
         color: @col;
         cursor: pointer;
-        // opacity: 0.7;
         .transition(all 0.2s ease-in-out);
 
         &:hover {
-            // opacity: 1.0;
             background: rgba(0,0,0,0.03);
-            // box-shadow: inset 0 0 4px 0 rgba(0,0,0,0.4);
         }
 
         &.active {
-            // opacity: 1.0;
             background: rgba(0,0,0,0.03);
             box-shadow: inset 0 0 4px 0 rgba(0,0,0,0.4);
         }
@@ -70,15 +66,12 @@
         color: @col;
         background: transparent;
         width: 100%;
-        // height: 30px;
-        // line-height: 30px;
         border: 0 solid #000;
         cursor: pointer;
         outline: 0;
 
         &:hover {
             background: rgba(0,0,0,0.03);
-            // box-shadow: inset 0 0 4px 0 rgba(0,0,0,0.4);
         }
    }