fix

resources/assets/sass/app.scss

@@ -8,7 +8,7 @@
 // Bootstrap
 @import '~bootstrap/scss/bootstrap';
 
-.navbar-laravel{
+.navbar-laravel {
   background-color: #fff;
   box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
 }