Update settings.html

settings.html

@@ -36,15 +36,18 @@
             border: 1px solid #ccc;
             border-radius: 4px;
         }
-         button {
-            background-color: green;
-            color: white;
-            padding: 10px 20px;
-            border: none;
-            border-radius: 4px;
-            cursor: pointer;
-            margin-top: 20px;
-        }
+        button {
+        display: block;
+        margin: 20px auto;
+        color: white;
+        background-color: #4CAF50;
+        border: none;
+        cursor: pointer;
+        padding: 12px 24px;
+        font-size: 16px;
+        border-radius: 5px;
+        transition: background-color 0.3s ease;
+    }
         button:hover {
         background-color: #388E3C;
     }