diff --git a/addons/purchase/purchase_view.xml b/addons/purchase/purchase_view.xml
index 147aaa1e159..73a21a4ea9e 100644
--- a/addons/purchase/purchase_view.xml
+++ b/addons/purchase/purchase_view.xml
@@ -128,14 +128,14 @@
             <field name="arch" type="xml">
                 <form string="Purchase Order" version="7.0">
                 <header>
-                    <button name="purchase_confirm" states="draft,sent" string="Confirm Order" class="oe_form_button_hi"/>
+                    <button name="purchase_confirm" states="draft,sent" string="Confirm Order" class="oe_highlight"/>
                     <button name="wkf_send_rfq" states="draft" string="Send RFQ" type="object" context="{'send_rfq':True}"/>
                     <button name="wkf_send_rfq" states="confirmed" string="Resend Purchase Order" type="object"/>
                     <button name="action_cancel" states="except_picking,except_invoice,wait" string="Cancel" type="object" />
                     <button name="picking_ok" states="except_picking" string="Manually Corrected"/>
                     <button name="invoice_ok" states="except_invoice" string="Manually Corrected"/>
-                    <button name="purchase_appbuyer" states="wait_auth" string="Approve Purchase" class="oe_form_button_hi"/>
-                    <button name="purchase_approve" states="confirmed" string="Approve Order" class="oe_form_button_hi"/>
+                    <button name="purchase_appbuyer" states="wait_auth" string="Approve Purchase" class="oe_highlight"/>
+                    <button name="purchase_approve" states="confirmed" string="Approve Order" class="oe_highlight"/>
                     <button name="view_invoice" string="Receive Invoice" type="object" attrs="{'invisible': ['|', ('invoice_method','=','picking'), '|', ('state','!=', 'approved'), ('invoiced','=',True) ]}"/>
                     <button name="view_picking" string="Receive Products" type="object" attrs="{'invisible': ['|', ('shipped','=',True), ('state','!=', 'approved')]}"/>
                     <button name="action_cancel_draft" states="cancel,sent,confirmed" string="Set to Draft" type="object"/>
diff --git a/addons/sale/sale_view.xml b/addons/sale/sale_view.xml
index 74967040753..c13ad3d518f 100644
--- a/addons/sale/sale_view.xml
+++ b/addons/sale/sale_view.xml
@@ -107,13 +107,13 @@
                         <button name="invoice_corrected" states="invoice_except" string="Ignore Exception"/>
                         <button name="ship_recreate" states="shipping_except" string="Recreate Delivery Order"/>
                         <button name="ship_corrected" states="shipping_except" string="Ignore Exception"/>
-                        <button name="action_quotation_send" string="Send by Mail" type="object" states="draft" class="oe_form_button_hi"/>
+                        <button name="action_quotation_send" string="Send by Mail" type="object" states="draft" class="oe_highlight"/>
                         <button name="action_quotation_send" string="Send by Mail" type="object" states="sent"/>
                         <button name="manual_invoice" states="manual" string="Create Final Invoice" type="object"/>
-                        <button name="print_quotation" string="Send by Post" type="object" states="draft" class="oe_form_button_hi"/>
+                        <button name="print_quotation" string="Send by Post" type="object" states="draft" class="oe_highlight"/>
                         <button name="print_quotation" string="Send by Post" type="object" states="sent"/>
                         <button name="action_button_confirm" states="draft" string="Confirm" type="object"/>
-                        <button name="action_button_confirm" states="sent" string="Confirm" class="oe_form_button_hi" type="object"/>
+                        <button name="action_button_confirm" states="sent" string="Confirm" class="oe_highlight" type="object"/>
                         <button name="action_view_invoice" string="Open Invoice" type="object" 
                           attrs="{'invisible': ['|','|',('state', '!=','progress'), ('invoiced', '=', True),('order_policy','=','picking')]}"/>
                         <button name="action_view_delivery" string="Open Delivery Order" type="object"