diff --git a/src/app/app.html b/src/app/app.html
index 18bfcda..8e99713 100644
--- a/src/app/app.html
+++ b/src/app/app.html
@@ -12,7 +12,7 @@
                 <h1>My Library</h1>
             </a>
         </div>
-        <ul nz-menu nzTheme="dark" nzMode="inline" [nzInlineCollapsed]="isCollapsed" class="text-xl" >
+        <ul nz-menu nzTheme="dark" nzMode="inline" [nzInlineCollapsed]="isCollapsed" class="text-xl">
             <li nz-menu-item nzMatchRouter>
                 <a routerLink="/welcome">
                     <nz-icon nzType="home"></nz-icon>