diff --git a/public/index.html b/public/index.html
index 9c9fe7a..f78b489 100755
--- a/public/index.html
+++ b/public/index.html
@@ -24,7 +24,7 @@
     </style>
   </head>
   <body class="bg-slate-100 min-h-screen">
-    <div class="max-w-6xl mx-auto py-6 space-y-6">
+    <div class="w-full sm:w-[90%] mx-auto py-6 space-y-6">
       <header class="flex items-center justify-between gap-4">
         <div>
           <h1 class="text-2xl font-bold tracking-tight text-slate-900">3D-Druck Materialmatrix</h1>
@@ -263,4 +263,3 @@
     </script>
   </body>
 </html>
-
