diff --git a/rhodecode/templates/email_templates/base.mako b/rhodecode/templates/email_templates/base.mako
--- a/rhodecode/templates/email_templates/base.mako
+++ b/rhodecode/templates/email_templates/base.mako
@@ -25,6 +25,13 @@
${text}
%def>
+## Constants
+<%
+text_regular = "-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;"
+text_monospace = "'Menlo', 'Liberation Mono', 'Consolas', 'DejaVu Sans Mono', 'Ubuntu Mono', 'Courier New', 'andale mono', 'lucida console', monospace;"
+
+%>
+
## headers we additionally can set for email
<%def name="headers()" filter="n,trim">%def>
@@ -47,7 +54,7 @@