修改 side bar為scroll bar

index.php

@@ -61,6 +61,9 @@ if (!isset($_SESSION['loggedin'])) {
 	<script src="https://js.arcgis.com/4.21/"></script>
 	
 	<style>
+		html.no-overflowscrolling .nano > .nano-content {
+			overflow: auto;
+		}
 		.page-header>ul {
 			list-style: none;
 			padding: 0;