adjust box-shadow

src/client/styles/scss/_sidebar.scss

@@ -11,7 +11,7 @@
       background-color: unset;
     }
 
-    $box-shadow: 0 0 2px rgba(0, 0, 0, 0.8);
+    $box-shadow: 0 1px 1px rgba(96, 96, 96, 0.75);
     @include hexagonize(24px, white, $box-shadow);
 
     // rotate 30deg