minor adjustments

app/components/button/sign_in.hbs

@@ -11,4 +11,4 @@
       <Spinner @inProgress={{@inProgress}} />
       Sign In
   </button>
-{{/if}}
\ No newline at end of file
+{{/if}}

app/components/nav/topbar.hbs

-<nav class="navbar navbar-expand-lg nav-topbar">
+<nav class="navbar navbar-expand nav-topbar">
   <div class="container-fluid">
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
       <span class="navbar-toggler-icon"></span>
@@ -46,4 +46,4 @@
         {{/if }}
     </div>
   </div>
-</nav>
\ No newline at end of file
+</nav>

app/components/spinner.hbs

@@ -2,4 +2,4 @@
   class="spinner-border spinner-border-sm {{if @inProgress 'visible' 'invisible'}}"
   role="status"
   aria-hidden="true">
-</span>
\ No newline at end of file
+</span>