diff --git a/index.html b/index.html
index cc7e866..25e6d11 100644
--- a/index.html
+++ b/index.html
@@ -12,13 +12,13 @@
             <p style="font-size: 36pt; text-align: center;">Inserimento Voti</p>
             <form>
                 <label for="name">Nome Alunno:</label>
-                <input type="text" id="name" name="name"><br>
+                <input type="text" id="name" name="name" required><br>
                 <label for="classe">Classe:</label>
-                <input type="radio" name="classe" id="3b" value="3BINF">
+                <input type="radio" name="classe" id="3b" value="3BINF" required>
                 <label for="3b">3BINF</label>
-                <input type="radio" name="classe" id="4b" value="4BINF">
+                <input type="radio" name="classe" id="4b" value="4BINF" required>
                 <label for="4b">4BINF</label>
-                <input type="radio" name="classe" id="5b" value="5BINF">
+                <input type="radio" name="classe" id="5b" value="5BINF" required>
                 <label for="5b">5BINF</label>
                 <br>