Update index.html

index.html

@@ -55,10 +55,22 @@
             overflow: auto;
         }
 
-.tab-pane iframe {
-    width: 100%;
-    height: 100%;
-}
+        .tab-pane iframe {
+           width: 100%;
+           height: 100%;
+        }
+        footer {
+            background-color: #343a40;
+            color: #fff;
+            text-align: center;
+            padding: 20px;
+            position: fixed;
+            left: 0;
+            bottom: 0;
+            width: 100%;
+            font-size: 1em;
+        }
+
     </style>
 </head>
 
@@ -87,8 +99,8 @@
         </div>
     </div>
 
-    <footer style="text-align: center; padding: 20px; background-color: #f0f0f0; margin-top: 20px;">
-        --- 2024 ngoctuanai. ---
+    <footer>
+        * 2024 ngoctuanai *
     </footer>
 
     <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>