diff --git a/styles.css b/styles.css
index 6ab4a03232c79c55a02741e6e38649885186fe95..75933d5200c7cd2e8c36e7161ef13031526cd7f2 100644
--- a/styles.css
+++ b/styles.css
@@ -261,6 +261,7 @@ body.theme--dark {
 }
 #rl-app #rl-left{
     min-width:225px !important;
+    overflow:hidden;
 }
 html.rl-left-panel-disabled #rl-app #rl-left{
     min-width:60px !important;
@@ -804,9 +805,10 @@ html.rl-left-panel-disabled #rl-app .b-folders .b-toolbar {
 #rl-app #V-SettingsMenu nav.b-content, .b-folders .b-content{
     padding:0;
 }
-.rl-side-preview-pane #V-MailMessageList {
+.rl-side-preview-pane #rl-app #V-MailMessageList {
     max-width: 40%;
     min-width: 360px;
+    overflow: hidden;
 }
 #rl-app #rl-content .btn.buttonCompose{
     box-sizing: border-box;