chore(playwright-report): fix indentation and formatting in index.html file

style(App.css): add overflow: hidden to body and fix indentation and formatting

src/frontend/playwright-report/index.html

@@ -1,8 +1,8 @@
 <!DOCTYPE html>
 <html lang="en">
   <head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Document</title>
   </head>
   <body>

src/frontend/src/App.css

@@ -2,6 +2,10 @@
 @tailwind components;
 @tailwind utilities;
 
+body {
+  overflow: hidden;
+}
+
 .App {
   text-align: center;
 }