diff --git a/style.css b/style.css
index 72134c32e980738c4c85eadb323cde6e2be90861..ac1fb0890e0dfb521683e69bb6bd12fcd82f4f22 100644
--- a/style.css
+++ b/style.css
@@ -3536,6 +3536,7 @@ html:not(rl-mobile) #rl-app .hideMessageListCheckbox .checkboxCheckAll {
     #rl-app #V-MailMessageView {
         top: 41px;
         border: 0;
+        overflow: hidden;
     }
     #rl-app #V-SystemDropDown {
         border-right: 1px solid var(--color-border-grey);