diff --git a/mail/templates/default/app.css b/mail/templates/default/app.css
index 504f15dd33..a92f37710e 100644
--- a/mail/templates/default/app.css
+++ b/mail/templates/default/app.css
@@ -757,7 +757,11 @@ blockquote blockquote blockquote blockquote blockquote blockquote{
 	}
 	/* set font size for printing of text mail body and all headers, attachments */
 	.td_display pre, .mailDisplayHeaders, .mailDisplayAttachments * {
-		font-size: 12pt !important;
+		font-size: 10pt !important;
+		font-family: arial;
+	}
+	#mail-display_mail_displaysubject {
+		font-weight: bold;
 	}
 	.mailDisplayHeaders {
 		border-bottom: 0.1em solid #d7d7d7;
@@ -776,16 +780,16 @@ blockquote blockquote blockquote blockquote blockquote blockquote{
 	}
 	.tmpPrintDiv td, textarea {
 		font-family: Verdana, Arial, Helvetica, sans-serif;
-		font-size: 11px;
+		
 	}
 	.tmpPrintDiv .td_display {
 		font-family: Verdana, Arial, Helvetica, sans-serif;
-		font-size: 140%;
+		
 		color: black;
 		background-color: #FFFFFF;
 	}
 	.tmpPrintDiv .td_display span[style] {
-		font-size: 110% !important;
+		
 	}
 	pre {
 		width:99% !important;
diff --git a/mail/templates/pixelegg/app.css b/mail/templates/pixelegg/app.css
index a8b1f71ab2..a04b8e8800 100755
--- a/mail/templates/pixelegg/app.css
+++ b/mail/templates/pixelegg/app.css
@@ -758,7 +758,11 @@ blockquote blockquote blockquote blockquote blockquote blockquote {
   .td_display pre,
   .mailDisplayHeaders,
   .mailDisplayAttachments * {
-    font-size: 12pt !important;
+    font-size: 10pt !important;
+    font-family: arial;
+  }
+  #mail-display_mail_displaysubject {
+    font-weight: bold;
   }
   .mailDisplayHeaders {
     border-bottom: 0.1em solid #d7d7d7;
@@ -778,17 +782,12 @@ blockquote blockquote blockquote blockquote blockquote blockquote {
   .tmpPrintDiv td,
   textarea {
     font-family: Verdana, Arial, Helvetica, sans-serif;
-    font-size: 11px;
   }
   .tmpPrintDiv .td_display {
     font-family: Verdana, Arial, Helvetica, sans-serif;
-    font-size: 140%;
     color: black;
     background-color: #FFFFFF;
   }
-  .tmpPrintDiv .td_display span[style] {
-    font-size: 110% !important;
-  }
   pre {
     width: 99% !important;
   }
@@ -1318,7 +1317,6 @@ body {
  * ##################################################################################
  */
 #mail-display {
-  width: 870px;
   min-height: 768px;
   padding: 5px;
   /*.mailDisplayHeaderSection{*/
diff --git a/mail/templates/pixelegg/app.less b/mail/templates/pixelegg/app.less
index e6dd58c1de..4dd3938d44 100755
--- a/mail/templates/pixelegg/app.less
+++ b/mail/templates/pixelegg/app.less
@@ -14,6 +14,7 @@
 
 @import (reference) "../../../pixelegg/less/layout_definitions.less";
 @import (reference) "../../../pixelegg/less/definitions.less";
+@import (reference) "../../../pixelegg/less/def_mobile.less";
 @import (less) "../default/app.css";
 
 #popupMainDiv{
@@ -501,7 +502,7 @@ div.mailUploadSection {
 
 #mail-display{
     //	gesamtbreite
-    width: 870px;
+   
 	min-height: 768px;
     padding: 5px;