diff --git a/mail/templates/default/app.css b/mail/templates/default/app.css
index 61e56e79d1..6ea08d211c 100644
--- a/mail/templates/default/app.css
+++ b/mail/templates/default/app.css
@@ -966,7 +966,7 @@ div#mail-index_nm.splitter-pane {min-height: 100px;}
 #mail-index_mailSplitter .splitter-bar-horizontal {background: white;}
 
 #mail-compose .tox.tox-tinymce .tox-tbtn--bespoke:first-child > .tox-tbtn__select-label {
-	width: 18px;
+	width: 6px;
 }
 
 #mail-compose .tox.tox-tinymce .tox-tbtn--bespoke .tox-tbtn__select-label {
diff --git a/mail/templates/mobile/app.css b/mail/templates/mobile/app.css
index a29d0e1af6..a8ce0c6170 100644
--- a/mail/templates/mobile/app.css
+++ b/mail/templates/mobile/app.css
@@ -953,7 +953,7 @@ div#mail-index_nm.splitter-pane {
   background: white;
 }
 #mail-compose .tox.tox-tinymce .tox-tbtn--bespoke:first-child > .tox-tbtn__select-label {
-  width: 18px;
+  width: 6px;
 }
 #mail-compose .tox.tox-tinymce .tox-tbtn--bespoke .tox-tbtn__select-label {
   width: 3em;
diff --git a/mail/templates/pixelegg/app.css b/mail/templates/pixelegg/app.css
index 4a77c6d9f0..04bb4f5f9e 100755
--- a/mail/templates/pixelegg/app.css
+++ b/mail/templates/pixelegg/app.css
@@ -941,7 +941,7 @@ div#mail-index_nm.splitter-pane {
   background: white;
 }
 #mail-compose .tox.tox-tinymce .tox-tbtn--bespoke:first-child > .tox-tbtn__select-label {
-  width: 18px;
+  width: 6px;
 }
 #mail-compose .tox.tox-tinymce .tox-tbtn--bespoke .tox-tbtn__select-label {
   width: 3em;