fix(app): fix parent main container display mode

Author: Ismaestro

src/app/app.component.scss

@@ -14,6 +14,10 @@ $page-max-width: 2560px;
     flex-direction: column;
     width: 100%;
     min-height: 100vh;
+
+    .app__page-container {
+      display: grid;
+    }
   }
 
   .app__content-skip-button {