diff --git a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/Styles/vs.css b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/Styles/vs.css
index 918cc0ec26..3c82d5e7e8 100644
--- a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/Styles/vs.css
+++ b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/Styles/vs.css
@@ -57,7 +57,7 @@ a {
             border-radius: 0px; }
             .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-version .version-select select.form-select:focus, .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-version .version-select select.form-select:active, .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-version .version-select select.form-select:hover, .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-version .version-select select.form-select:visited, .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-version .version-select input.form-select:focus, .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-version .version-select input.form-control:active, .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-version .version-select input.form-control:hover, .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-version .version-select input.form-control:visited {
               box-shadow: none; }
-          .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-version .version-select select.select {
+          .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-version .version-select select.form-select {
             padding: 0 10px 2px 6px; }
       .docs-page .docs-sidebar .docs-sidebar-wrapper .docs-filter {
         padding: 0 1rem;