diff --git a/core/lib/utils/html/html_utils.dart b/core/lib/utils/html/html_utils.dart
index 1c7e6c278..60b1e82c2 100644
--- a/core/lib/utils/html/html_utils.dart
+++ b/core/lib/utils/html/html_utils.dart
@@ -263,6 +263,12 @@ class HtmlUtils {
             background-color: black;
           }
 
+          body, html {
+            margin: 0;
+            padding: 0;
+            height: 100%;
+          }
+          
           #pdf-container {
             $_pdfContainerStyle
             overflow: hidden;