fix tutorials 9 - 11

javascript/JS_Esercizi 10 - localStorage/tutorial/index.html

@@ -12,6 +12,7 @@
         <h1>Tutorial: JSON e LocalStorage</h1>
         <button id="btn-esegui">▶️ Esegui Codice</button>
         <button id="btn-reset">🧹 Pulisci Tutto</button>
+        <a href="../index.html" style="position: absolute; top: 20px; left: 20px; text-decoration: none; color: #555; font-weight: bold;">← Dashboard</a>
     </div>
 
     <script>

javascript/JS_Esercizi 10 - localStorage/tutorial/styles.css

@@ -2,13 +2,13 @@ body {
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
     background-color: #f0f2f5;
     color: #333;
-    max-width: 900px;
     margin: 0 auto;
 }
 
 h1 {
     text-align: center;
     color: #1a73e8;
+    margin-top: 0px;
 }
 
 .controls {
@@ -19,6 +19,7 @@ h1 {
     z-index: 100;
     background-color: white;
     box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
+    padding-top: 50px;
 }
 
 button {
@@ -51,9 +52,10 @@ button#btn-reset {
     border-radius: 12px;
     padding: 20px;
     margin-bottom: 25px;
+    max-width: 800px;
+    margin: 0 auto 25px auto;
     box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
     border-left: 6px solid #1a73e8;
-    margin: 20px;
 }
 
 .step-header {