revert: 撤销样式更新

Author: ArgoZhang

src/BootstrapBlazor/Components/Tab/Tab.razor.scss

@@ -84,7 +84,7 @@
 }
 
 .tabs-nav-wrap {
-    .nav-link-bar {
+    > .nav-link-bar {
         cursor: pointer;
         font-size: 1rem;
         color: var(--bs-body-color);