Fix header styling

Change-Id: I86e1cb077323fa37163d6eac84b8b7a838da0768

gr-serviceuser/gr-serviceuser-create_html.js

diff --git a/gr-serviceuser/gr-serviceuser-create_html.js b/gr-serviceuser/gr-serviceuser-create_html.js
index 86f2473..338ae7e 100644
--- a/gr-serviceuser/gr-serviceuser-create_html.js
+++ b/gr-serviceuser/gr-serviceuser-create_html.js
@@ -18,6 +18,7 @@
 export const htmlTemplate = Polymer.html`
     <style include="shared-styles"></style>
     <style include="gr-subpage-styles"></style>
+    <style include="gr-font-styles"></style>
     <style include="gr-form-styles"></style>
     <style>
       main {

gr-serviceuser/gr-serviceuser-detail_html.js

diff --git a/gr-serviceuser/gr-serviceuser-detail_html.js b/gr-serviceuser/gr-serviceuser-detail_html.js
index 0fe87f3..ecd2505 100644
--- a/gr-serviceuser/gr-serviceuser-detail_html.js
+++ b/gr-serviceuser/gr-serviceuser-detail_html.js
@@ -18,6 +18,7 @@
 export const htmlTemplate = Polymer.html`
     <style include="shared-styles"></style>
     <style include="gr-subpage-styles"></style>
+    <style include="gr-font-styles"></style>
     <style include="gr-form-styles"></style>
     <style>
       div.serviceuser-detail {

gr-serviceuser/gr-serviceuser-list_html.js

diff --git a/gr-serviceuser/gr-serviceuser-list_html.js b/gr-serviceuser/gr-serviceuser-list_html.js
index ae0ff2f..a6e19ff 100644
--- a/gr-serviceuser/gr-serviceuser-list_html.js
+++ b/gr-serviceuser/gr-serviceuser-list_html.js
@@ -17,6 +17,7 @@
 
 export const htmlTemplate = Polymer.html`
     <style include="shared-styles"></style>
+    <style include="gr-font-styles"></style>
     <style include="gr-table-styles"></style>
     <style>
       .topHeader {