update

.storybook/preview-head.html

@@ -16,10 +16,10 @@
     html {
         animation: fadeToTransparent 500ms forwards ease-in;
     }
-    body>.sb-preparing-docs {
+    body > .sb-preparing-docs {
         visibility: hidden;
     }
-    body>.sb-preparing-story {
+    body > .sb-preparing-story {
         visibility: hidden;
     }
-</style>
+</style>