diff --git a/web/dart/reorganize_html.dart b/web/dart/reorganize_html.dart
index 6390231..215455c 100644
--- a/web/dart/reorganize_html.dart
+++ b/web/dart/reorganize_html.dart
@@ -10,7 +10,9 @@ Future<Element> makeHeader() async {
   header
     ..append(Element.img()
       ..attributes['src'] = image_header
-      ..attributes['alt'] = 'Logo')
+      ..attributes['alt'] = 'Logo'
+      ..attributes['height'] = '150px'
+      ..attributes['width'] = '150px')
     ..append(querySelector('h1'));
   final subt = header.querySelector('.subtitle');
   if (subt != null) {
@@ -40,7 +42,7 @@ Future<void> linkifyImg() async {
 
 Future<void> reorganizeHtml() async {
   final ls = window.localStorage;
-  final lastUpdate = '20200828';
+  final lastUpdate = '20201221';
   if (ls['last-update'] != lastUpdate) {
     ls['last-update'] = lastUpdate;
     window.location.reload();