diff --git a/mail/templates/default/app.css b/mail/templates/default/app.css
index 7a8f4dd1fc..08cde7c87e 100644
--- a/mail/templates/default/app.css
+++ b/mail/templates/default/app.css
@@ -820,8 +820,9 @@ blockquote blockquote blockquote blockquote blockquote blockquote{
 		padding-top: 8px;
 		padding-bottom: 8px;
 	}
-
-	table.egwGridView_outer thead tr th {
+	/*Make Font size readable in mobile theme*/
+	#mail-compose .mailComposeHeaders span, #mail-compose .mailComposeHeadersSection span,
+	div.mailDisplayHeaders > span:first-child, div.mailComposeHeaders > span:first-child, div.mailComposeBody, div.mailPreviewHeaders > *{
 		font-size: small !important;
 	}
 }
diff --git a/mail/templates/pixelegg/app.css b/mail/templates/pixelegg/app.css
index 404eb62d17..f6204299c4 100755
--- a/mail/templates/pixelegg/app.css
+++ b/mail/templates/pixelegg/app.css
@@ -811,7 +811,13 @@ blockquote blockquote blockquote blockquote blockquote blockquote {
     padding-top: 8px;
     padding-bottom: 8px;
   }
-  table.egwGridView_outer thead tr th {
+  /*Make Font size readable in mobile theme*/
+  #mail-compose .mailComposeHeaders span,
+  #mail-compose .mailComposeHeadersSection span,
+  div.mailDisplayHeaders > span:first-child,
+  div.mailComposeHeaders > span:first-child,
+  div.mailComposeBody,
+  div.mailPreviewHeaders > * {
     font-size: small !important;
   }
 }
diff --git a/pixelegg/css/mobile.css b/pixelegg/css/mobile.css
index 0f96e754ff..50f5078bf4 100644
--- a/pixelegg/css/mobile.css
+++ b/pixelegg/css/mobile.css
@@ -6293,6 +6293,9 @@ a.textSidebox {
   body div.dhtmlxMenu_egw_SubLevelArea_Polygon {
     font-size: medium;
   }
+  body table.egwGridView_outer thead tr th {
+    font-size: small !important;
+  }
   #egw_fw_basecontainer {
     background: white;
   }
diff --git a/pixelegg/css/mobile.less b/pixelegg/css/mobile.less
index ccad82a088..f7e953823a 100644
--- a/pixelegg/css/mobile.less
+++ b/pixelegg/css/mobile.less
@@ -48,6 +48,21 @@
 		{
 			font-size:medium;
 		}
+		
+		//###################
+		//#					#
+		//#	 Grid & NM		#
+		//#					#
+		//###################
+		table.egwGridView_outer{
+			thead{
+				tr{
+					th{
+						font-size: small !important;
+					}
+				} 
+			} 
+		}
 	}
 	#egw_fw_basecontainer{
 		background:white;